Please note - in many cases these are best guesses. This is not meant to be definitive, but should be used as a learning aid. This list has been compiled from a number of sources, which are listed at the bottom. Clicking on the linked name will open the fact sheet for that species in a new window.
Abelia xgrandiflora - glossy abelia after Dr. Clark Abel who introduced Abelia chinensis / large-flowered
Abies amabilis - Pacific silver fir ancient name - rising or tall tree, name for the European fir / Latin "amare" (beautiful or lovely, to love)
Abies balsamea - balsam fir ancient name - rising or tall tree, name for the European fir / balsam-producing
Abies bracteata - bristlecone fir ancient name - rising or tall tree, name for the European fir / a reference to the exerted bracts
Abies concolor - white fir ancient name - rising or tall tree, name for the European fir / one color (both needle surfaces)
Abies fraseri - Fraser fir ancient name - rising or tall tree, name for the European fir / after John Fraser
Abies grandis - grand fir ancient name - rising or tall tree, name for the European fir / large
Abies homolepis - Nikko fir ancient name - rising or tall tree, name for the European fir / Greek "homo" (same) and "lepis" (scales), indicating all the cone scales are the size
Abies koreana - Korean fir ancient name - rising or tall tree, name for the European fir / of Korea
Abies lasiocarpa - subalpine fir ancient name - rising or tall tree, name for the European fir / rough fruit (cones)
Abies magnifica - California red fir ancient name - rising or tall tree, name for the European fir / magnificent
Abies nordmanniana - Nordmann fir ancient name - rising or tall tree, name for the European fir / after Finnish botanist Alexander von Nordmann
Abies pinsapo - Spanish fir ancient name - rising or tall tree, name for the European fir / Spanish "pino" (pine) and "sapo" (fir)
Abies procera - noble fir ancient name - rising or tall tree, name for the European fir / tall
Abutilon palmeri - Palmer's Indian mallow Arabic for a similar plant / after botanist Edward Palmer
Acacia auriculiformis - earleaf acacia Greek "akakia" an ancient name for a thorny Egyptian tree / Latin "auricula" (ear), a reference to the ear-shaped seed pod
Acacia koa - koa Greek "akakia" an ancient name for a thorny Egyptian tree / the Hawaiian name
Acer ×freemanii - Freeman maple Greek "akakia" (the Egyptian thorn-tree) and "akis" (thorn) / after Oliver M. Freeman of the National Arboretum
Acer buergerianum - trident maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / after botanist Heinrich Burger, assistant and successor to Philipp Franz von Siebold as botanist in Japan
Acer campestre - hedge maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / of fields
Acer circinatum - vine maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / rounded leaves
Acer floridanum - Florida maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / of Florida, or flowering
Acer ginnala - Amur maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / native name
Acer glabrum - Rocky Mountain maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / lacking hair
Acer grandidentatum - bigtooth maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / refers to big teeth on leaves
Acer griseum - paperbark maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / gray lower leaf surface
Acer japonicum - fullmoon maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / of Japan
Acer macrophyllum - bigleaf maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / large leaf
Acer miyabei - Miyabe maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / after Japanese botanist Kingo Miyabe
Acer negundo - boxelder Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / Latinized form of Malayan name - leaves resemble genus Vitex
Acer nigrum - black maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / black
Acer palmatum - Japanese maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / hand-like
Acer pensylvanicum - striped maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / of Pennsylvania
Acer platanoides - Norway maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / like Platanus
Acer pseudoplatanus - sycamore maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / false Platanus
Acer rubrum - red maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / red
Acer saccharinum - silver maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / sugary sap - Greek "sakcharon" (sweet or sugar)
Acer saccharum - sugar maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / name for sugar cane - Greek "sakcharon" (sweet or sugar)
Acer spicatum - mountain maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / Latin "spica" (a spike) - a spike of flowers
Acer tataricum - Tatarian maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / from Tartary (central Asia)
Acer truncatum - Shantung maple Latin name - sharp (leaves or used as lances) or Celtic "ac" (hard) / for the truncate (flattened) leaf base
Acoelorrhaphe wrightii - Everglades palm without a coelium (hollow) or raphe (seed ridge) / after Wright, a botanical collector
Adenostoma fasciculatum - chamise Greek "aden" (gland) and "stoma" (mouth) / fascicle-like bundles of leaves
Adenostoma sparsifolium - redshanks Greek "aden" (gland) and "stoma" (mouth) / sparse foliage
Adonidia merrillii - cherry palm Latin "little Adonis" / after American botanist Elmer Merrill
Aesculus ×carnea - red horsechestnut Latin for an oak with edible acorns (caution - many are poisonous) / flesh-colored
Aesculus californica - California buckeye Latin for an oak with edible acorns (caution - many are poisonous) / of California
Aesculus flava - yellow buckeye Latin for an oak with edible acorns (caution - many are poisonous) / yellow
Aesculus glabra - Ohio buckeye Latin for an oak with edible acorns (caution - many are poisonous) / glabrous (lacking hair)
Aesculus hippocastanum - horsechestnut Latin for an oak with edible acorns (caution - many are poisonous) / Latin name from Greek "hippos" (horse) and "kastanon" chestnut
Aesculus parviflora - bottlebrush buckeye Latin for an oak with edible acorns (caution - many are poisonous) / small flowered
Aesculus pavia - red buckeye Latin for an oak with edible acorns (caution - many are poisonous) / After Peter Paaw (Petrus Pavius), Dutch botanist
Aesculus sylvatica - painted buckeye Latin for an oak with edible acorns (caution - many are poisonous) / of the woods - Latin "silva" (forest)
Afrocarpus gracilior - fern pine Greek "podos" (foot) and "carpus" (seed) / very slender or graceful
Agave parryi - artichoke agave Greek "agavo" (noble) / after British-American botanist Charles Christopher Parry
Ailanthus altissima - tree-of-Heaven Indonesian-Mollucan name "ailanto" for Ailanthus moluccana - reaching to Heaven / tallest Latin "altus" (high)
Akebia quinata - fiveleaf akebia Japanese name for this plant / Latin "quin" (five)
Albizia julibrissin - mimosa after del Albizzi / the native name
Alnus cordata - Italian alder Latin name for alder / for its cordate (heart-shaped) leaves
Alnus glutinosa - European black alder Latin name for alder / sticky (buds)
Alnus incana ssp. rugosa - speckled alder Latin name for alder / gray or hoary (apparently for the leaves)
Alnus incana ssp. tenuifolia - thinleaf alder Latin name for alder / gray or hoary (apparently for the leaves)
Alnus oblongifolia - Arizona alder Latin name for alder / oblong (leaves)
Alnus rhombifolia - white alder Latin name for alder / leaves shaped like a rhombus
Alnus rubra - red alder Latin name for alder / red
Alnus serrulata - hazel alder Latin name for alder / finely serrate (leaves)
Alnus viridis ssp. crispa - green alder Latin name for alder / green (leaves)
Alnus viridis ssp. sinuata - Sitka alder Latin name for alder / green (leaves)
Ambrosia ambrosioides - canyon ragweed Greek "food of the gods" / like genus Ambrosia
Ambrosia chenopodiifolia - San Diego bursage Greek "food of the gods" / leaves like genus Chenopodium
Ambrosia deltoidea - triangleleaf bursage Greek "food of the gods" / triangle (leaves)
Ambrosia dumosa - white bursage Greek "food of the gods" / shrubby or small
Amelanchier alnifolia - Pacific serviceberry French Provencal name for Amelanchier ovalis - amelanquier / alder-like leaves
Amelanchier arborea - downy serviceberry French Provencal name for Amelanchier ovalis - amelanquier / tree-like
Amelanchier canadensis - shadblow serviceberry French Provencal name for Amelanchier ovalis - amelanquier / of Canada
Amelanchier laevis - Alleghany serviceberry French Provencal name for Amelanchier ovalis - amelanquier / Latin "laev" (smooth; nimble, light)
Amelanchier sanguinea - roundleaf serviceberry French Provencal name for Amelanchier ovalis - amelanquier / blood red (fruits)
Amelanchier utahensis - Utah serviceberry French Provencal name for Amelanchier ovalis - amelanquier / from Utah
Amelanchier xgrandiflora - serviceberry French Provencal name for Amelanchier ovalis - amelanquier / large flowers
Amorpha fruticosa - desert false indigo without form / bearing fruit
Andromeda polifolia - bog rosemary After the very beautiful Andromeda of Greek literature / gray leaves
Anisacanthus quadrifidus - desert honeysuckle Greek "anisos" (unequal) and "acanthos" (thorn) / four-parted (flowers)
Annona glabra - pond apple native Indian name / glabrous (lacking hair)
Aralia spinosa - Devil's walking stick French Canadian "aralei" / bearing spines
Araucaria araucana - monkeypuzzle tree from the Arauco region of Chile / from the Arauco region of Chile
Araucaria heterophylla - Norfolk pine from the Arauco region of Chile / Greek "hetero" (different) and "phylla" (leaves) for the difference between juvenile and mature leaves
Arbutus arizonica - Arizona madrone the Latin name / of Arizona
Arbutus menziesii - Pacific madrone the Latin name / after naturalist Archibald Menzies
Arbutus xalapensis - Texas madrone the Latin name / after Xalapa, Mexico
Arctostaphylos columbiana - hairy manzanita Greek "arctos" (a bear) and "staphyle" (a bunch of grapes) / of the Columbia region
Arctostaphylos densiflora - Vine Hill manzanita Greek "arctos" (a bear) and "staphyle" (a bunch of grapes) / dense flowers
Arctostaphylos glauca - bigberry manzanita Greek "arctos" (a bear) and "staphyle" (a bunch of grapes) / white
Arctostaphylos hookeri - Hooker's manzanita Greek "arctos" (a bear) and "staphyle" (a bunch of grapes) / after botanist William Jackson Hooker
Arctostaphylos patula - green manzanita Greek "arctos" (a bear) and "staphyle" (a bunch of grapes) / Latin wide-spreading (reference to form or leaves)
Arctostaphylos pungens - pointleaf manzanita Greek "arctos" (a bear) and "staphyle" (a bunch of grapes) / Latin "pungere" (to prick)
Arctostaphylos rudis - shagbark manzanita Greek "arctos" (a bear) and "staphyle" (a bunch of grapes) / Latin word for rude, raw, or rough (describing the bark)
Arctostaphylos uva-ursi - kinnikinick Greek "arctos" (a bear) and "staphyle" (a bunch of grapes) / bear's grape
Arctostaphylos viscida - whiteleaf manzanita Greek "arctos" (a bear) and "staphyle" (a bunch of grapes) / Latin "viscum" (thick, syrupy or sticky - flowers have sticky stems)
Argyroxiphium sandwicense - Hawaii silversword Greek "argyro" (silver) and / after the Sandwich (Hawaiian) Islands
Aristolochia macrophylla - Dutchman's pipe Greek "cristos" (noblest) and "locheia" (childbirth), for its early medicinal application / macro (large) phyllum (leaves)
Aronia arbutifolia - chokeberry Greek word for a species of Sorbus / Latin "arburi" (many) and "folia" (leaves)
Aronia melanocarpa - black chokeberry Greek word for a species of Sorbus / Latin "melan" (black or dark) and "carpa" (fruit)
Artemisia californica - coastal sagebrush after the Greek goddess Artemis / of California
Artemisia filifolia - sand sagebrush After the Greek goddess Artemis / filiform (threadlike), and folia (leaf)
Artemisia palmeri - San Diego sagewort after the Greek goddess Artemis / after botanist Edward Palmer
Artemisia tridentata - big sagebrush after the Greek goddess Artemis / leaves with three teeth
Asimina parviflora - dwarf pawpaw native Indian name (assimin) / small flower
Asimina triloba - pawpaw native Indian name (assimin) / 3-lobed calyx
Atriplex canescens - four-wing saltbush ancient Latin for this plant / covered in white, becoming hoary
Atriplex confertifolia - shadscale ancient Latin for this plant / crowded leaves
Avicennia germinans - black mangrove after Persian philosopher Avicinna (Ibn Sina) / Latin "germinare" (to sprout forth)
Baccharis emoryi - Emory's baccharis fragrant root / after Maj. William Hemsley Emory
Baccharis halimifolia - eastern baccharis fragrant root / leaves resemble Halimus (a saltbush)
Baccharis pilularis - coyotebrush fragrant root / having globules
Baccharis pteronioides - yerba de pasmo fragrant root / Greek "pteron" (winged) - for the fruit
Baccharis salicifolia - mule fat fragrant root / leaves like Salix (willows)
Baccharis sarothroides - desertbroom fragrant root / broom-like
Berberis canadensis - American barberry Arabic name / of Canada
Berberis julianae - wintergreen barberry Arabic name / unknown
Berberis thunbergii - Japanese barberry Arabic name / after Swedish botanist Carl Peter Thunberg
Berberis vulgaris - common barberry Arabic name / common
Berchemia scandens - supplejack after Dutch botanist Berthout van Berchem / climbing
Betula alleghaniensis - yellow birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / of the Alleghany region
Betula glandulosa - dwarf birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / gland-bearing
Betula lenta - sweet birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / tough but pliable (twigs or ability to grow in rocky areas) or sweet
Betula nana - bog birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / Greek "nannos" (dwarf)
Betula nigra - river birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / black (bark)
Betula occidentalis - water birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / western - Latin "occidere" (to set, as the sun)
Betula papyrifera - paper birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / paper bearing - Egyptian for reed - Greek "papyros" (paper) and Latin "ferre" (to bear)
Betula pendula - European weeping birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / pendulous
Betula populifolia - gray birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / poplar-leaved
Betula uber - roundleaf birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / fertile or rich, probably in reference to site requirements
Betula utilis - Himalayan white birch Latin (pitch - bitumen is distilled from the bark or Sanskrit "bhurja" (to shine" (bark))) / useful
Bignonia capreolata - crossvine after librarian Abbe Jean Paul Bignon / having tendrils
Bombax ceiba - red silk cottontree Latin "bambax" (cotton fiber) or Greek "bombax" (surprise or indeed!) / for its resemblance to Genus Ceiba
Borrichia arborescens - tree seaside tansy unknown, perhaps a local name / tree-like
Bougainvillea spp. - bougainvillea after French Admiral Louis de Bougainvillea / after French Admiral Louis de Bougainvillea
Broussonetia papyrifera - paper mulberry after Auguste Broussonet, French naturalist / paper-bearing (bark) - Egyptian for reed - Greek "papyros" (paper) and Latin "ferre" (to bear)
Bucida buceras - black olive like fenugreek, a medicinal herb or crooked horn, a reference to the fruit clusters / like fenugreek, a medicinal herb or crooked horn, a reference to the fruit clusters
Buckleya distichophylla - piratebush after American geologist Samuel Botsford Buckley / in two rows (leaves) Greek "di" (two) and "stichos" (rank)
Buddleja davidii - butterfly-bush after Adam Buddle / after Armand David
Bursera fagaroides - fragrant bursera after botanist Joachim Burser / similar to genus Fagara
Bursera hindsiana - copal after botanist Joachim Burser / after naturalist Richard Brinsley Hinds
Bursera microphylla - elephant tree after botanist Joachim Burser / small leaf
Bursera simaruba - gumbo-limbo after botanist Joachim Burser / perhaps an indication of the resemblance to simaroubaceae
Buxus sempervirens - boxwood Latin name for Buxus sempervirens / evergreen - Latin "semper" (always) and "vivere" (live)
Caesalpinia gilliesii - bird-of-paradise shrub after botanist Andreas Caesalpini / after Scottish botanist John Gillies
Caesalpinia pulcherrima - pride-of-Barbados after botanist Andreas Caesalpini / most beautiful
Calliandra californica - Baja fairy duster Greek "kallos" (beautiful) and "andra" (stamens) / of California
Calliandra eriophylla - fairy duster Greek "kallos" (beautiful) and "andra" (stamens) / woolly leaf
Callicarpa americana - American beautyberry Greek "kallos" (beautiful) "carpa" (fruit) / of America
Callistemon spp. - bottlebrush tree Greek "kallos" (beautiful) and "stemon" (stamen) / Greek "kallos" (beautiful) and "stemon" (stamen)
Callitropsis nootkatensis - Alaska yellow-cedar Resembling Genus Callitris, Greek "calli" (beautiful) / of Nootka Sound
Calocedrus decurrens - incense-cedar Greek "kallos" (beautiful) and Cedrus / decurrent
Calycanthus floridus - common sweetshrub Greek "kalyx" (calyx) and "anthos" (a flower) referring to similar sepals and petals / flowering
Calycanthus occidentalis - sweet shrub Greek "kalyx" (calyx) and "anthos" (a flower) referring to similar sepals and petals / western - Latin "occidere" (to set, as the sun)
Camellia japonica - Japanese camellia after Georg Josef Kamel / of Japan
Campsis radicans - trumpet creeper Greek "kampe" (something bent) refers to curved stamens / with rooting stems
Canotia holacantha - crucifixion thorn unknown / Greek "holos" (whole or all) and "akantha" (thorn)
Caragana arborescens - pea tree ancient Mongolian name for this genus / tree-like
Carica papaya - papaya Carica for its resemblance to Ficus carica / Papaya from the native Central American name
Carnegiea gigantea - saguaro cactus wax candle / large
Carpinus betulus - European hornbeam Latin name of European hornbeam / resembling a Betula (birch)
Carpinus caroliniana - hornbeam Latin name of European hornbeam/ of Carolina / Latin name of European hornbeam/ of Carolina
Carpinus japonica - Japanese hornbeam Latin name of European hornbeam / of Japan
Carya aquatica - water hickory Greek "karya or kaura" (walnut -Juglans regia) / of water
Carya cordiformis - bitternut hickory Greek "karya or kaura" (walnut -Juglans regia) / heart-shaped (fruit) Latin "cordis" (heart) and "forma" (shaped)
Carya glabra - pignut hickory Greek "karya or kaura" (walnut -Juglans regia) / glabrous (lacking hair)
Carya illinoinensis - pecan Greek "karya or kaura" (walnut -Juglans regia) / of Illinois
Carya laciniosa - shellbark hickory Greek "karya or kaura" (walnut -Juglans regia) / Latin "lacinia" (shred - the bark)
Carya myristiciformis - nutmeg hickory Greek "karya or kaura" (walnut -Juglans regia) / Myristica is the nutmeg genus.
Carya ovalis - red hickory Greek "karya or kaura" (walnut -Juglans regia) / ovate or egg-shaped (leaflets)
Carya ovata - shagbark hickory Greek "karya or kaura" (walnut -Juglans regia) / ovate or egg-shaped (leaflets)
Carya pallida - sand hickory Greek "karya or kaura" (walnut -Juglans regia) / pallid (pale)
Carya tomentosa - mockernut hickory Greek "karya or kaura" (walnut -Juglans regia) / tomentose (hairy)
Cassiope mertensiana - white mountain heather in Greek mythology Cassiope was the queen of Joppa and mother of the beautiful Andromeda / after Karl Mertens, German botanist
Castanea dentata - American chestnut after Castanea in northern Greece, Greek "kastanea" (chestnut) / refers to big teeth on leaves
Castanea mollissima - Chinese chestnut after Castanea in northern Greece, Greek "kastanea" (chestnut) / very soft-hairy
Castanea pumila - Alleghany chinkapin after Castanea in northern Greece, Greek "kastanea" (chestnut) / dwarf or small
Castela emoryi - crucifixion thorn after botanist Rene R.L. Castel / after Maj. William Hemsley Emory
Casuarina equisetifolia - Australian pine Malayan "casuar" (a cassowary) / Latin "equi" horse and "folium" (leaf)
Catalpa bignonioides - southern catalpa Cherokee name / like Bignonia
Catalpa speciosa - northern catalpa Cherokee name / Latin "species" (form) and "osus" (full of) - showy
Ceanothus americanus - New Jersey tea Greek name of a spiny shrub / american
Ceanothus cordulatus - whitethorn ceanothus Greek name of a spiny shrub / Greek "cordul" (club)
Ceanothus cuneatus - narrowleaf buckbrush Greek name of a spiny shrub / wedge-shaped (leaf tips)
Ceanothus fendleri - Fendler's ceanothus Greek name of a spiny shrub / after botanist Augustus Fendler
Ceanothus gloriosus - Point Reyes ceanothus Greek name of a spiny shrub / glorious (flowers)
Ceanothus greggii - desert ceanothus Greek name of a spiny shrub / After explorer Josiiah Gregg
Ceanothus impressus - Santa Barbara ceanothus Greek name of a spiny shrub / impressive
Ceanothus integerrimus - deerbrush Greek name of a spiny shrub / entire or uninjured - leaves are entire
Ceanothus prostratus - mahala mat Greek name of a spiny shrub / prostrate
Ceanothus sanguineus - redstem ceanothus Greek name of a spiny shrub / blood red
Ceanothus spinosus - greenbark ceanothus Greek name of a spiny shrub / spiny
Ceanothus thyrsiflorus - blueblossom Greek name of a spiny shrub / flowers in a thyrse
Ceanothus velutinus - snowbrush Greek name of a spiny shrub / velvety
Cedrus atlantica - Atlas cedar Latin name / of the Atlas Mountains
Cedrus deodara - Deodar cedar Latin name / Northern Indian name
Cedrus libani - cedar of Lebanon Latin name / of Lebanon
Celastrus orbiculatus - Asian bittersweet Greek "kelastros" the name for an evergreen tree / round leaves
Celastrus scandens - American bittersweet Greek "kelastros" the name for an evergreen tree / climbing
Celtis africana - white stinkwood Greek name or name applied to African lotus / of Africa
Celtis ehrenbergiana - spiny hackberry Greek name or name applied to African lotus / after German naturalist Christian Gottfried Ehrenberg
Celtis laevigata var. laevigata - sugarberry Greek name or name applied to African lotus / Latin "laevigat" (smooth or slippery) - the bark
Celtis laevigata var. reticulata - netleaf hackberry Greek name or name applied to African lotus / networked (veins in the leaf)
Celtis occidentalis - hackberry Greek name or name applied to African lotus / western - Latin "occidere" (to set, as the sun)
Celtis pumila - dwarf hackberry Greek name or name applied to African lotus / dwarf or small
Cephalanthus occidentalis - buttonbush Head of anthers" / western - Latin "occidere" (to set, as the sun)
Cephalotaxus fortunei - Chinese plum-yew Latin "cephalo" (head) and taxus (yews) / after Robert Fortune
Cercidiphyllum japonicum - katsuratree like Cercis and Greek "phyllon" (leaf) / of Japan
Cercis canadensis - eastern redbud Greek "kerkis" (a shuttle - fruit resembled instrument), ancient Greek name for this tree / of eastern North America
Cercis chinensis - Chinese redbud Greek "kerkis" (a shuttle - fruit resembled instrument), ancient Greek name for this tree / of China
Cercis orbiculata - western redbud Greek "kerkis" (a shuttle - fruit resembled instrument), ancient Greek name for this tree / round (leaves)
Cercocarpus intricatus - littleleaf mountain-mahogany Greek "kerkis" (a shuttle) and "karpon" (fruit) / Latin "intrico" (entangled)
Cercocarpus ledifolius - curlleaf mountain-mahogany Greek "kerkis" (a shuttle) and "karpon" (fruit) / Ledum (labrador tea)-like leaves
Cercocarpus montanus - mountain-mahogany Greek "kerkis" (a shuttle) and "karpon" (fruit) / of the mountains
Cereus hildmannianus - Andes organ pipe Latin "cera" (torch) for the resemblence to a torch / after cactus expert Hildegarda Winter
Chaenomeles speciosa - common floweringquince Greek "chaina" (to gape) and "melon" (apple) / showy
Chamaebatia foliolosa - mountain misery Greek chamae" (low) and "batos" (bramble) / leafy
Chamaebatiaria millefolium - fernbush Greek "chamae" (low) and "batos" (bramble) / "one thousand leaves"
Chamaecyparis lawsoniana - Port-Orford-cedar Greek "chamai" (low growing) and "kuparissos" (cypress) / after Charles Lawson British nurseryman
Chamaecyparis obtusa - Hinoki falsecypress Greek "chamai" (low growing) and "kuparissos" (cypress) / blunt leaves
Chamaecyparis pisifera - Sawara-cedar Greek "chamai" (low growing) and "kuparissos" (cypress) / pea-bearing (referring to the small cones)
Chamaecyparis thyoides - Atlantic white-cedar Greek "chamai" (low growing) and "kuparissos" (cypress) / like Thuja
Chamaedaphne calyculata - leatherleaf from Greek "chamae" (dwarf) and "daphne" (laurel) / with a little calyx
Chilopsis linearis - desert-willow Greek "cheilos" (lip) - for the flowers / narrow, referring to the leaves
Chimaphila maculata - striped pipsissewa strange leaf / spotted
Chimaphila umbellata - prince's pine strange leaf / with an umbel
Chionanthus virginicus - fringetree Greek "chion" (snow) and "anthus" (flower) / of Virginia
Chrysobalanus icaco - cocoplum Greek "chryso" (golden) and "balanos" (acorn) / unknown - perhaps for the Ica River?
Chrysolepis chrysophylla - golden chinkapin Greek for golden scales / Greek for golden leaves
Chrysolepis sempervirens - bush chinquapin Greek for golden scales / Latin "semper" (always) and "vivere" (to live) - evergreen
Chrysothamnus viscidiflorus - yellow rabbitbrush Greek "chryso" (golden) and "thamnus" (shrub) / Latin "viscum" (thick, syrupy or sticky - flowers have sticky stems)
Cinnamomum camphora - camphortree Greek/Arabic "amomon" (spice plant) / camphor bearing
Cistus spp. - rockrose ancient Greek name / ancient Greek name
Citrus spp. - citrus ancient Greek name / ancient Greek name
Cladrastis kentukea - yellowwood Greek "kladros" (branch) and "thraustos or thrastos" (fragile) for fragile branches / from Kentucky
Clematis columbiana - rock clematis Greek for long, flexible branches, ancient name / of the Columbia region
Clematis crispa - swamp leather flower Greek for long, flexible branches, ancient name / closely curled (petals)
Clematis drummondii - virgin's bower Greek for long, flexible branches, ancient name / after Scotish naturalist Thomas drummond
Clematis ligusticifolia - white clematis Greek for long, flexible branches, ancient name / ligustrum (privet)-like (foliage)
Clematis terniflora - sweetautumn clematis Greek for long, flexible branches, ancient name / Latin (flowers in 3's)
Clematis virginiana - virgin's bower Greek for long, flexible branches, ancient name / of Virginia
Cleome isomeris - bladderpod spiderflower ancient name for a mustard plant / Greek "isos" (equal) and "meris" (part), for the fruit
Clethra acuminata - mountain pepperbush Greek "klethra" (alder) / long pointed leaf tip
Clethra alnifolia - summersweet clethra Greek "klethra" (alder) / alnus-leaved
Cliftonia monophylla - buckwheat tree after Georgia's first attorney general, William Clifton / one leaf
Coccoloba uvifera - seagrape Latin "coccum" (a berry) / grape
Cocos nucifera - coconut palm Portuguese for monkey (with three pores, coconuts resemble a monkey face) / Latin "nucis" (nut) and "fero" (I bear)
Coleogyne ramosissima - blackbrush Greek "koleos" (sheath) and "gyne" (ovary) / branched
Comptonia peregrina - sweetfern after English Bishop Compton / wanderer, or foreigner
Condalia globosa - bitter condalia after American Dr. A. Condal / rounded (fruits)
Conocarpus erectus - buttonwood "cono" (cone-shaped) and "karpos" (fruit) / upright
Cornus alba - Tatarian dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / white
Cornus alternifolia - alternate-leaf dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / alternate leaves
Cornus amomum - silky dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / Greek/Arabic "amomon" (spice plant)
Cornus canadensis - bunchberry the Latin name for Cornus mas from "cornu" (hard - for the wood) / of Canada
Cornus controversa - giant dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / controversial
Cornus drummondii - roughleaf dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / after Scotish naturalist Thomas drummond
Cornus florida - flowering dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / flowering Latin "flos" (flower)
Cornus kousa - kousa dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / Japanese name
Cornus mas - Cornelian cherry dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / masculine, robust, non-delicate
Cornus nuttallii - Pacific dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / after Thomas Nuttall
Cornus racemosa - gray dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / flowers in upright racemes
Cornus sericea - red-osier dogwood the Latin name for Cornus mas from "cornu" (hard - for the wood) / silky or Latin "serus" (late or tardy) (stolonifera means "bearing stolons")
Cornus unalaschkensis - Alaskan bunchberry the Latin name for Cornus mas from "cornu" (hard - for the wood) / of Unalaska, an Aleutian island
Corylopsis glabrescens - fragrant winterhazel like Corylus / lacking pubescens, glabrous
Corylopsis pauciflora - buttercup winterhazel like Corylus / few flowers
Corylopsis sinensis - Chinese winterhazel like Corylus / of China
Corylus americana - American hazel Greek "krylos" (hazelnut) / of America
Corylus avellana - common filbert Greek "krylos" (hazelnut) / Latin name for hazel nut
Corylus colurna - Turkish hazel Greek "krylos" (hazelnut) / Latin name for hazel nut
Corylus cornuta - beaked hazel Greek "krylos" (hazelnut) / horned, refers to bracts forming a beak at the apex of the nut
Corymbia torelliana - cadagi a reference to corymb flower structures / unknown - a surname?
Cotinus coggygria - European smoketree Greek name for olive / smoke tree
Cotinus obovatus - American smoketree Greek name for olive / obovate leaves
Cotoneaster spp. - cotoneaster Greek "kotoneon" (quince) and Latin "ad istar" (similarity) / Greek "kotoneon" (quince) and Latin "ad istar" (similarity)
Crataegus douglasii - black hawthorn Greek "kratos" (strength - for the wood) / after Scottish botanist David Douglas
Crataegus monogyna - oneseed hawthorn Greek "kratos" (strength - for the wood) / one ovary
Crataegus phaenopyrum - Washington hawthorn Greek "kratos" (strength - for the wood) / Greek "phaeno" (visible) and "Pyrus" (pear)
Crataegus spp. - hawthorn Greek "kratos" (strength - for the wood) / Greek "kratos" (strength - for the wood)
Crataegus viridis - green hawthorn Greek "kratos" (strength - for the wood) / green (leaves)
Croton alabamensis - Alabama croton Greek "kroton" (a tick) - for the seeds / of Alabama
Cryptomeria japonica - Japanese cryptomeria Greek "krypto" (to hide) and "meris" (part), referring to concealed flower parts / of Japan
Cunninghamia lanceolata - common Chinafir after James Cunningham / lanceolate (leaves)
Cupressus sempervirens - Italian cypress Greek name for this plant "kyparissos" / evergreen - Latin "semper" (always) and "vivere" (live)
Cycas revoluta - sago palm Latin name for this genus / curled (leaves)
Cylindropuntia acanthocarpa - buckhorn cholla Greek name for an edible plant that could be rooted from leaves / thorny fruit
Cylindropuntia arbuscula - pencil cholla Greek name for an edible plant that could be rooted from leaves / tree-like
Cylindropuntia bigelovii - Teddy bear cholla Greek name for an edible plant that could be rooted from leaves / after botanist Dr. John Milton Bigelow
Cylindropuntia fulgida - chain cholla Greek name for an edible plant that could be rooted from leaves / Latin for shining or glittering
Cylindropuntia imbricata - tree cholla Greek name for an edible plant that could be rooted from leaves / like shingles, overlapping
Cylindropuntia leptocaulis - Christmas cactus Greek name for an edible plant that could be rooted from leave / Latin "lepto" (thin or fine) and "caulis" (stems)
Cylindropuntia prolifera - coastal cholla Greek name for an edible plant that could be rooted from leaves / proliferating, with offshoots
Cylindropuntia spinosior - cane cholla Greek name for an edible plant that could be rooted from leaves / spiny
Cylindropuntia tesajo - pencil cholla Greek name for an edible plant that could be rooted from leaves / perhaps a bastardization of Spanish "tasajo" (jerky) or for tesajo series soils
Cylindropuntia versicolor - staghorn cholla Greek name for an edible plant that could be rooted from leaves / Latin "versare" (to change) color
Cyrilla racemiflora - swamp cyrilla perhaps a reference to Cyril or Greek "cyri" (master of) / flowers in racemes
Cytisus scoparius - Scotch broom Greek name "kytisus" / broom-like
Dasiphora fruticosa - shrubby cinquefoil Greek "dasy" (wooly or shaggy) "phor" (carry), in reference to the hairy seeds / Latin "frut" (shrub)
Dasylirion leiophyllum - sotol Greek "dasy" (wooly or shaggy) and "leiron" (lily) / smooth leaves
Davidia involucrata - dove tree after French missionary Père Armand David / with an involucre
Decumaria barbara - woodvamp parts of the flower are in tens / foreign
Delonix regia - flamboyant tree Greek "delos" (notable) and "onus" (one) / Latin "regis" (king)
Dendromecon rigida - tree poppy Greek "dendron" (tree) and "mekon" (poppy) / stiff
Deutzia scabra - fuzzy deutzia after Johan van der Deutz / coarse hairs
Diervilla lonicera - northern bush-honeysuckle After Dr. Dierville, French surgeon who introduced the plant / from Lonicera
Diervilla rivularis - mountain bush-honeysuckle After Dr. Dierville, French surgeon who introduced the plant / found in small rivulets
Diervilla sessilifolia - southern bush-honeysuckle After Dr. Dierville, French surgeon who introduced the plant / stalkless leaf
Diospyros kaki - Japanese persimmon Greek "dios" (divine) and "pyros" (wheat) referring to the edible fruit / Japanese "kaki", the word for persimmon
Diospyros texana - Texas persimmon Greek "dios" (divine) and "pyros" (wheat) referring to the edible fruit / of Texas
Diospyros virginiana - common persimmon Greek "dios" (divine) and "pyros" (wheat) referring to the edible fruit / of Virginia
Diplacus puniceus - red bush monkeyflower two flat (petals?) / like Punica (pomegranate)
Dirca palustris - eastern leatherwood Greek "dirke" (a fountain), referring to moist habitat / of the swamps
Ditrysinia fruticosa - Gulf Sebastian-bush unknown - perhaps after Ditrysia, the butterflies / Latin "frut" (shrub)
Dodonaea viscosa - hopbush after botanist Rembert Dodoens / sticky
Dracaena draco - dragontree Greek "drakaina" (dragon) / Latin for dragon
Dypsis decaryi - triangle palm Greek "dypto" (to dive), a reference to the drooping fronds / Greek "karya or kaura" (walnut -Juglans regia)
Ebenopsis confinis - ejoton ebony-like / crowded
Ebenopsis ebano - Texas ebony ebony-like / ebony like
Echinocereus triglochidiatus - Mojave hedgehog cactus Latin "echino" (spiny) and "cera" (torch) for the resemblence to a torch / bearing 3 glochids
Ehretia anacua - sandpaper tree after botanist George Ehret / local name
Elaeagnus angustifolia - Russian-olive the name originally applied to a willow Greek "helodes" (growing in marshes) and "hagnos" (pure) referring to white fruit / narrow-leaved
Elaeagnus commutata - silverberry the name originally applied to a willow Greek "helodes" (growing in marshes) and "hagnos" (pure) referring to white fruit / changeable
Elaeagnus pungens - thorny-olive the name originally applied to a willow Greek "helodes" (growing in marshes) and "hagnos" (pure) referring to white fruit / pointed or sharp
Elaeagnus umbellata - autumn-olive the name originally applied to a willow Greek "helodes" (growing in marshes) and "hagnos" (pure) referring to white fruit / flowers in umbel-like clusters
Empetrum nigrum - crowberry Greek "empetros" (growing on rocks) / black
Encelia californica - California brittlebrush after Pastor Christoph Entzelt / of California
Encelia farinosa - brittlebush after Pastor Christoph Entzelt / powdery (leaves)
Ephedra spp. - Mormon-tea ancient Greek name for Hipparus, which it resembles / ancient Greek name for Hipparus, which it resembles
Epigaea repens - trailing arbutus Latin "epi" (upon) and "gaea" (earth) / creeping or low
Ericameria laricifolia - turpentine bush heath-like leaves / larch-like (leaves)
Ericameria linearifolia - narrowleaf goldenbush heath-like leaves / narrow leaves
Ericameria nauseosa - gray rabbitbrush heath-like leaves / nauseating
Ericameria palmeri - Palmer's goldenbush heath-like leaves / after botanist Edward Palmer
Eriodictyon angustifolium - narrow-leaved yerba santa Greek "erio/erion" (wool) and "dikyton" (a thrown net), a reference to the wooly net leaf undersides / narrow-leaved
Eriogonum cinereum - coastal buckwheat Greek "erion" (wool) and "gonu" (joint or knee) / ashy gray
Eriogonum fasciculatum - flat-top buckwheat Greek "erion" (wool) and "gonu" (joint or knee) / fascicle-like bundles of leaves
Erythrina corallodendron - coral tree dark red / coral-like
Erythrina herbacea - coralbean dark red / herbaceous
Eubotrys racemosus - swamp doghobble From Greek for clustered / refers to flowers in racemes
Eucalyptus caesia - gungurru Greek "eu" (true) and "kalipto" (cover), a reference to the flowers which remain covered until they bloom / bluish-gray (leaves)
Eucalyptus camaldulensis - river red gum Greek "eu" (true) and "kalipto" (cover), a reference to the flowers which remain covered until they bloom / a reference to the Naples (Italy) garden of Camalduli
Eucalyptus cordata - silver gum Greek "eu" (true) and "kalipto" (cover), a reference to the flowers which remain covered until they bloom / heart-shaped (leaves)
Eucalyptus globulus - blue gum Greek "eu" (true) and "kalipto" (cover), a reference to the flowers which remain covered until they bloom / rounded
Eucalyptus nitens - shining gum Greek "eu" (true) and "kalipto" (cover), a reference to the flowers which remain covered until they bloom / shining or whitish
Eucalyptus polyanthemos - silver dollar gum Greek "eu" (true) and "kalipto" (cover), a reference to the flowers which remain covered until they bloom / many anthers
Eucalyptus sideroxylon - red ironbark Greek "eu" (true) and "kalipto" (cover), a reference to the flowers which remain covered until they bloom / Greek "hierro" (iron) and "xylon" (wood)
Eucalyptus woodwardii - lemon-flowered gum Greek "eu" (true) and "kalipto" (cover), a reference to the flowers which remain covered until they bloom / unknown - a surname?
Eucommia ulmoides - hardy rubber tree Greek "eu" (good, well) and Latin "commia" (gum) / elm-like (leaves)
Euonymus alatus - winged euonymus Latin name / winged
Euonymus americanus - strawberry bush Latin name / American
Euonymus atropurpureus - eastern wahoo Latin name / dark purple
Euonymus europaeus - spindletree Latin name / of Europe
Euonymus fortunei - wintercreeper Latin name / after Robert Fortune
Euonymus kiautschovicus - spreading euonymus Latin name / a Chinese district in the Schantung Province on the Yellow Sea
Euonymus occidentalis - western burning bush Latin name / western - Latin "occidere" (to set, as the sun)
Euphorbia misera - cliff spurge after Greek physician Euphorbus or Greek "eu" (true or good) and "phorbe" (pasture or fodder) / miserable
Exochorda racemosa - common pearlbush Greek "Exo" (outside) and "chorde" (cord), a reference to fibers surrounding the placenta / flowers in upright racemes
Eysenhardtia orthocarpa - kidneywood after German botanist Karl Wilhelm Eysenhardt / straight fruit
Eysenhardtia texana - Texas kidneywood German botanist Karl Wilhelm Eysenhardt / of Texas
Fagus grandifolia - American beech Latin name from Greek "phagein" (to eat - edible nuts) / grand foliage
Fagus orientalis - Oriental beech Latin name from Greek "phagein" (to eat - edible nuts) / of the east
Fagus sylvatica - European beech Latin name from Greek "phagein" (to eat - edible nuts) / of the woods - Latin "silva" (forest)
Faidherbia albida - winter thorn Probably after the French Soldier and territorial governor, Louis Léon César Faidherbe / white
Fallugia paradoxa - Apache plume after botanist Abbot V. Fallugi / a paradox, unusual
Fendlera rupicola - cliff fendlerbush after German botanist Augustus Fendler / growing on cliffs
Ferocactus gracilis - fire barrel cactus Latin "ferus" (fierce) cactus / very slender or graceful
Ferocactus wislizeni - barrel cactus Latin "ferus" (fierce) cactus / after botanist A. Wislizenius
Ficus aurea - strangler fig Latin name for Ficus carica / golden, beautiful or splendid
Ficus carica - common fig Latin name for Ficus carica / leaves like carica (papaya)
Ficus macrophylla - Moreton Bay fig Latin name for Ficus carica / large leaves
Firmiana simplex - Chinese parasoltree After Lombardian (Italy) Governor Jose de Firmian / simple (leaves) or unbranched
Forestiera acuminata - eastern swampprivet after naturalist Charles Le Forestier / long pointed leaf tip
Forestiera pubescens - desert-olive after Dr. Andre Forestier / pubescent
Forsythia spp. - forsythia after William Forsyth, Scottish gardener / after William Forsyth, Scottish gardener
Fothergilla gardenii - dwarf fothergilla after naturalist Dr. John Fothergill / after botanist Dr. Alexander Garden
Fothergilla major - large fothergilla after naturalist Dr. John Fothergill / large
Fothergilla xintermedia - hybrid fothergilla after naturalist Dr. John Fothergill / a reference to the cross between gardenii and major
Fouquieria columnaris - boojum tree after naturalist Pierre Edouard Fouquier / columnar
Fouquieria splendens - ocotillo after naturalist Pierre Edouard Fouquier / splendid (flowers)
Frangula alnus - glossy buckthorn after Rhamnus frangula, which is a pre-Linnaen name / alder-like foliage
Frangula californica - California buckthorn after Rhamnus frangula, which is a pre-Linnaen name / of California
Frangula caroliniana - Carolina buckthorn after Rhamnus frangula, which is a pre-Linnaen name / of Carolina
Frangula purshiana - Cascara buckthorn after Rhamnus frangula, which is a pre-Linnaen name / after German botanist Friedrich Pursh
Franklinia alatamaha - Franklin tree after Benjamin Franklin / of the Altamaha River in Georgia
Fraxinus americana - white ash the Latin name / of America
Fraxinus angustifolia - narrowleaf ash the Latin name / narrow leaves
Fraxinus anomala - singleleaf ash the Latin name / strange or unusual, anomolous
Fraxinus caroliniana - Carolina ash the Latin name / of Carolina
Fraxinus dipetala - two-petal ash the Latin name / two petals
Fraxinus excelsior - European ash the Latin name / ever higher
Fraxinus gooddingii - Gooding ash the Latin name / after botanist Leslie Newton Goodding
Fraxinus latifolia - Oregon ash the Latin name / broad-leaved
Fraxinus nigra - black ash the Latin name / black
Fraxinus ornus - flowering ash the Latin name / the Latin name for mountain-ash
Fraxinus pennsylvanica - green ash the Latin name / of Pennsylvania
Fraxinus profunda - pumpkin ash the Latin name / deep or profound
Fraxinus quadrangulata - blue ash the Latin name / four-angled
Fraxinus velutina - Arizona ash the Latin name / velvety hairy
Fremontodendron californicum - California fremontia after the Pathfinder politician, General John C. Fremont / of California
Fremontodendron mexicanum - Mexican fremontia after the Pathfinder politician, General John C. Fremont / of Mexico
Gambelia juncea - Baja bush snapdragon after Gambel / rush-like, stems with few leaves
Gardenia jasminoides - gardenia after Scottish naturalist Dr Alexander Garden / resembling jasmine
Garrya elliptica - wavyleaf silktassel after Nicholas Garry / elliptical (leaves)
Garrya flavescens - ashy silktassel after Nicholas Garry / becoming yellow
Garrya fremontii - bearbrush after Nicholas Garry / after the Pathfinder politician, General John C. Fremont
Garrya wrightii - Wright silktassel after Nicholas Garry / after Wright, a botanical collector
Gaultheria procumbens - teaberry after Gaulthier, Canadian botanist / prostrate
Gaultheria shallon - salal after Gaulthier, Canadian botanist / Indian name
Gaylussacia spp. - huckleberry after chemist Gay-Lussac / after chemist Gay-Lussac
Gelsemium rankinii - swamp jessamine Italian "gelsomino" (jasmine) / after botanist Henry Ashby Rankin
Gelsemium sempervirens - false jessamine Italian "gelsomino" (jasmine) / evergreen - Latin "semper" (always) and "vivere" (live)
Ginkgo biloba - ginkgo Japanese "ginkyo" (silver apricot) and Chinese ngin-ghang / two-lobed (leaves)
Gleditsia aquatica - waterlocust after Gottlieb Gleditsch, German botanist / water
Gleditsia triacanthos - honeylocust after Gottlieb Gleditsch, German botanist / Greek "treis" (three) and "akantha" (spine)
Gordonia lasianthus - loblolly bay after nurseryman James Gordon / rough anthers
Gossypium hirsitum - upland cotton Latin "gossypinus" (the name for cotton), from Arabic "goz" (silky/soft) / hairy
Grusonia invicta - dagger cholla after German engineer Hermann Gruson / unconquered
Guaiacum angustifolium - soapbush a local name / narrow leaves
Guaiacum coulteri - guayacan a local name / after Thomas Coulter
Guaiacum officinale - lignum-vitae a local name / Latin "officina" (workshop) for its use in producing medicines.
Gymnocladus dioicus - Kentucky coffeetree Greek "gymnos" (naked) and "klados" (a branch) referring to leaves that grow following stem growth in spring / dioecious (two houses)
Halesia diptera - two-wing silverbell after English scientist Stephen Hales / two wings
Halesia tetraptera - silverbell after English scientist Stephen Hales / four wings
Hamamelis vernalis - vernal witch-hazel Greek name for a tree with pear-shaped fruits (the medlar) / of spring - flowers in spring
Hamamelis virginiana - witch-hazel Greek name for a tree with pear-shaped fruits (the medlar) / of Virginia
Hamamelis xintermedia - hybrid witch-hazel Greek name for a tree with pear-shaped fruits (the medlar) / intermediate
Hedera helix - English ivy Latin name / "winding around", referring to staff carried by Baccharus
Helianthus gracilentus - slender sunflower Greek "helios" (sun) and "anthos" (flower) / very slender or graceful
Heptacodium miconioides - seven sons flower Latin "hepta" (seven) and "codium" (head) for the 7 flowers in a flowerhead / like the Genus Miconia (after botanist Francisco Mico)
Hesperocyparis arizonica - Arizona cypress Greek "hesperos" (of the evening, western) / of Arizona
Hesperocyparis bakeri - Baker cypress Greek "hesperos" (of the evening, western) / after American botanist Milo Samuel Baker
Hesperocyparis forbesii - Tecate cypress Greek "hesperos" (of the evening, western) / after botanist Charles Noyes Forbes
Hesperocyparis macrocarpa - Monterey cypress Greek "hesperos" (of the evening, western) / Greek "makros" (large) and "karpos" (seed)
Heteromeles arbutifolia - toyon Greek "hetero" (different) and "melon" (apple) / arbutus-leaved
Hibiscus syriacus - rose-of-sharon Greek name for mallow / of Syria
Holodiscus discolor - oceanspray Greek "holos" (entire) and "diskos" (disk), referring to unlobed discs / two-colored (leaves green and gray)
Holodiscus dumosus - bush oceanspray Greek "holos" (entire) and "diskos" (disk), referring to unlobed discs / shrubby or small
Hovenia dulcis - Japanese raisintree after German David Hove, financier for Thunberg / sweet (fruits)
Hydrangea anomala - climbing hydrangea Greek "hydor" (water) and ""aggos" (jar) for cupped fruits / irregular, deviating from the norm - this hydrangea is a vine
Hydrangea arborescens - wild hydrangea Greek "hydor" (water) and ""aggos" (jar) for cupped fruits / tree-like
Hydrangea macrophylla - bigleaf hydrangea Greek "hydor" (water) and ""aggos" (jar) for cupped fruits / big leaves
Hydrangea paniculata - panicle hydrangea Greek "hydor" (water) and ""aggos" (jar) for cupped fruits / flowers in panicles
Hydrangea quercifolia - oakleaf hydrangea Greek "hydor" (water) and ""aggos" (jar) for cupped fruits / leaves oak-like
Hypericum spp. - Saint Johnswort Greek "hyper" (above) and "eikon" (picture) - it was hung above pictures to ward off evil spirits / Greek "hyper" (above) and "eikon" (picture) - it was hung above pictures to ward off evil spirits
Hyptis emoryi - desert lavender Greek "huptios"(turned back) - for the flowers / after Maj. William Hemsley Emory
Ilex amelanchier - sarvis holly from Latin name for Quercus ilex (holly oak) / holly-like leaves
Ilex cassine - dahoon from Latin name for Quercus ilex (holly oak) / Latin "casso" to destroy or Latin "cassi" (a helmet)
Ilex chinensis - Kashi holly from Latin name for Quercus ilex (holly oak) / Latin "purpureus" (dark red)
Ilex coriacea - large gallberry from Latin name for Quercus ilex (holly oak) / leathery (leaves)
Ilex cornuta - Chinese holly from Latin name for Quercus ilex (holly oak) / horned (leaf spines)
Ilex crenata - Japanese holly from Latin name for Quercus ilex (holly oak) / with shallow rounded teeth
Ilex decidua - deciduous holly from Latin name for Quercus ilex (holly oak) / deciduous Latin "de" (down) and "cadere" (to fall)
Ilex glabra - inkberry from Latin name for Quercus ilex (holly oak) / glabrous (lacking hair)
Ilex montana - mountain holly from Latin name for Quercus ilex (holly oak) / of the mountains
Ilex mucronata - catberry Latin name for Quercus ilex (holly oak) / mucronate leaf tip
Ilex myrtifolia - myrtle holly from Latin name for Quercus ilex (holly oak) / myrtle-like leaves
Ilex opaca - American holly from Latin name for Quercus ilex (holly oak) / not glossy, shady, opaque
Ilex verticillata - winterberry holly from Latin name for Quercus ilex (holly oak) / in circles around the stem, probably in reference to the lenticels
Ilex vomitoria - yaupon from Latin name for Quercus ilex (holly oak) / inducing vomiting
Ilex xattenuata - Foster's holly from Latin name for Quercus ilex (holly oak) / to make thin
Illicium floridanum - Florida anise tree Alluring / of Florida, or flowering
Illicium parviflorum - yellow anisetree Alluring (fragrance) / small flowered
Itea virginica - sweetspire Greek name for willow / of Virginia
Iva frutescens - marsh-elder the mint Ajuga iva has a similar odor / shrubby
Iva hayesiana - San Diego povertyweed the mint Ajuga iva has a similar odor / after naturalist Sutton Hayes
Jacaranda mimosifolia - jacaranda a native Brazilian name / mimosa-like foliage
Jamesia americana - fivepetal cliffbush after American botanist Edwin P. James / of America
Jasminum nudiflorum - winter jasmine Persian "Yasameen" (gift from God) / flowering before leaves
Jatropha cuneata - limberbush Greek "iatros" (physician) and "trophe" (food), for its medicinal properties / wedge-shaped (leaves)
Juglans ailantifolia - Japanese walnut Latin name for Juglans regia Latin "jovis" (Jupiter) and "glans" (nut) / leaves like Ailanthus
Juglans californica - California black walnut Latin name for Juglans regia Latin "jovis" (Jupiter) and "glans" (nut) / of California
Juglans cinerea - butternut Latin name for Juglans regia Latin "jovis" (Jupiter) and "glans" (nut) / ashy gray (bark)
Juglans hindsii - Hind's black walnut Latin name for Juglans regia Latin "jovis" (Jupiter) and "glans" (nut) / after naturalist Richard Brinsley Hinds
Juglans major - Arizona walnut Latin name for Juglans regia Latin "jovis" (Jupiter) and "glans" (nut) / large
Juglans microcarpa - little walnut Latin name for Juglans regia Latin "jovis" (Jupiter) and "glans" (nut) / small fruit
Juglans nigra - black walnut Latin name for Juglans regia Latin "jovis" (Jupiter) and "glans" (nut) / black (bark)
Juglans regia - English walnut Latin name for Juglans regia Latin "jovis" (Jupiter) and "glans" (nut) / regal, of kings
Juniperus californica - California juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / of California
Juniperus chinensis - Chinese juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / of China
Juniperus communis - common juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / common
Juniperus conferta - shore juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / crowded (leaves)
Juniperus deppeana - alligator juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen /
Juniperus horizontalis - creeping juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / horizontal (habit)
Juniperus monosperma - oneseed juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / "mono" (one) and "sperm" (seed)
Juniperus occidentalis - western juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / western - Latin "occidere" (to set, as the sun)
Juniperus osteosperma - Utah juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / "osteo" (bone) and "sperm" (seed)
Juniperus pinchotii - redberry juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / after Gifford Pinchot
Juniperus procumbens - Ibuki juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / prostrate
Juniperus scopulorum - Rocky Mountain juniper Latin name from "junio" (young) and "parere" (to produce) - evergreen / growing on cliffs
Juniperus virginiana - eastern redcedar Latin name from "junio" (young) and "parere" (to produce) - evergreen / of Virginia
Justicia californica - beloperone after Scottish horticultarilist James Justice / of California
Kalmia angustifolia - sheep laurel after Pehr Kalm, student of Linnaeus / narrow-leaved
Kalmia latifolia - mountain laurel after Pehr Kalm, student of Linnaeus / broad-leaved
Kalmia microphylla - alpine laurel after Pehr Kalm, student of Linnaeus / small leaves
Kalmia polifolia - bog laurel after Pehr Kalm, student of Linnaeus / gray leaves
Koeberlinia spinosa - allthorn after German botanist C.L. Koeberlin / bearing spines
Koelreuteria paniculata - goldenraintree after German botanist Joseph Koelreuter / flowers in panicles
Kolkwitzia amabilis - beautybush after Richard Kolkwitz, German botanist / beautiful
Krameria grayi - white ratany after botanist Johann Georg Heinrich Kramer / after botanist Asa Gray
Laburnum xwatereri - goldenchain tree Latin name / after the Waterer nursery that introduced this cross
Lagerstroemia indica - crapemyrtle after Magnus von Lagerstrom, friend of Linneus / Indian
Lagunaria patersonii - Norfolk Island hibiscus alluding to the similarity with Lagunaea, ancient name for a hibiscus / after botanist W. Paterson
Laguncularia racemosa - white mangrove Latin "laguncula" (little bottle) / flowers in racemes
Lantana carnara - lantana Latin name for a viburnum / climbing, as over an arch
Larix decidua - European larch Latin name / deciduous Latin "de" (down) and "cadere" (to fall)
Larix kaempferi - Japanese larch Latin name / after Engelbert Kaempfer, German botanist
Larix laricina - tamarack Latin name / pertaining to larch
Larix lyallii - subalpine larch Latin name / after botanist David Lyall
Larix occidentalis - western larch Latin name / western - Latin "occidere" (to set, as the sun)
Larix xmarschlinsii - Dunkeld larch Latin name / after Swiss naturalist Carl Ulisses von Salis-Marschlins
Larrea tridentata - creosote bush after Juan Antonio de Larrea / three-toothed
Laurus nobilis - laurel Latin name for this tree / regal, renowned
Lavatera assurgentiflora - island mallow after the Lavater brothers / flowers in ascending clusters
Ledum groenlandicum - Labrador tea Greek "ledon", the name for Genus Cistus / of Greenland
Leitneria floridana - corkwood after Dr. E. T. Leitner, German naturalist / of Florida
Leptospermum scoparium - manuka Latin "lepto" (thin or fine) and "sperm" (seed) / broom-like
Leucaena retusa - littleleaf leadtree white / notched at the tip
Leucothoe axillaris - coast leucothoe from Greek mythology Leucothoe was changed into a shrub by her lover, Apollo / refers to flowers in leaf axils
Ligustrum amurense - Amur privet the Latin name / of Amur
Ligustrum japonicum - Japanese privet the Latin name / of Japan
Ligustrum obtusifolium - border privet the Latin name / obtuse leaves
Ligustrum sinense - Chinese privet the Latin name / of China
Ligustrum vulgare - common privet the Latin name / common
Lindera benzoin - spicebush after Johann Linder, Swedish botanist / Arabic name - resinous balsams
Linnaea borealis - twinflower after Linnaeus / northern
Lippia alba - verbena after naturalist Dr. A Lippi / white
Liquidambar styraciflua - sweetgum Latin "liquidus" (liquid) and "ambar" (amber), referring to resin containing storax / flowing with styrax (an aromatic balsam)
Liriodendron tulipifera - yellow-poplar Greek "leiron" (lily) and "dendron" (tree) / tulip-bearing
Lonicera canadensis - American fly honeysuckle after Adam Lonitzer, German naturalist / of Canada
Lonicera ciliosa - western trumpet honeysuckle after Adam Lonitzer, German naturalist / fringed
Lonicera conjugialis - purpleflower honeysuckle after Adam Lonitzer, German naturalist / Latin "conjugatus" (united) - the fruits are paired
Lonicera hispidula - pink honeysuckle after Adam Lonitzer, German naturalist / bristly
Lonicera involucrata - twinberry after Adam Lonitzer, German naturalist / with an involucre
Lonicera japonica - Japanese honeysuckle after Adam Lonitzer, German naturalist / of Japan
Lonicera maackii - Amur honeysuckle after Adam Lonitzer, German naturalist / after a botanist named Mackay
Lonicera morrowii - Morrow honeysuckle after Adam Lonitzer, German naturalist / unknown - after a botanist named Morrow
Lonicera sempervirens - trumpet honeysuckle after Adam Lonitzer, German naturalist / Latin "semper" (always) and "vivere" (live)
Lonicera tatarica - Tatarian honeysuckle after Adam Lonitzer, German naturalist / from Tartary (central Asia)
Lonicera utahensis - red twinberry after Adam Lonitzer, German naturalist / of Utah
Lonicera xbella - Belle's honeysuckle after Adam Lonitzer, German naturalist / pretty
Ludwigia peruviana - Peruvian primrose-willow After German botanist Christian Gottlieb Ludwig / of Peru
Lupinus albifrons - silver lupine Latin "lupus" (wolf) - refers to belief Lupines rob the soil of nutrients / Latin "albus" (white) and "frons" (frond/leaf), for the white leaves
Lupinus arboreus - yellow bush lupine Latin "lupus" (wolf) - refers to belief Lupines rob the soil of nutrients / tree-like
Lupinus chamissonis - dune lupine Latin "lupus" (wolf) - refers to belief Lupines rob the soil of nutrients / after botanist Adelbert von Chamisso
Lycium andersonii - Anderson boxthorn ancient Greek name for a thorny tree / after naturalist Dr. Charles Lewis Anderson
Lycium barbarum - goji berry ancient Greek name for a thorny tree / foreign
Lycium brevipes - Baja desert-thorn ancient Greek name for a thorny tree / with a short stalk
Lycium fremontii - Fremont's desert-thorn ancient Greek name for a thorny tree / after the Pathfinder politician, General John C. Fremont
Lyonia ferruginea - staggerbush after John Lyon, Scottish gardener / rusty red, for the rusty hairs on the stem
Lyonia ligustrina - maleberry after John Lyon, Scottish gardener / ligustrum (privet)-like (foliage)
Lyonia lucida - fetterbush lyonia after John Lyon, Scottish gardener / bright, shining or clear - leaves are shiny
Lyonothamnus floribundus - lyon tree after William Scrugham Lyon and from "thamnus" (shrub) / abundunt flowers
Lysiloma candidum - palo blanco Latin "lys" (to unfasten or dissolve) and Greek "loma" (border or fringe) / white
Lysiloma watsonii - desertfern Latin "lys" (to unfasten or dissolve) and Greek "loma" (border or fringe) / after English botanist Sir William Watson
Maclura pomifera - Osage-orange after geologist William Maclure / "pommum" (apple) and "ferre" (to bear) - apple-bearing
Magnolia acuminata - cucumbertree after Pierre Magnol, French botanist / long pointed leaf tip
Magnolia ashei - Ashe magnolia after Pierre Magnol, French botanist / after American forester William Ashe
Magnolia fraseri - Fraser magnolia after Pierre Magnol, French botanist / after John Fraser
Magnolia grandiflora - southern magnolia after Pierre Magnol, French botanist / large flowering
Magnolia macrophylla - bigleaf magnolia after Pierre Magnol, French botanist / big leaves
Magnolia pyramidata - pyramid magnolia after Pierre Magnol, French botanist / pyramid-shaped (leaves)
Magnolia stellata - star magnolia after Pierre Magnol, French botanist / stellate or star-like (flowers)
Magnolia tripetala - umbrella magnolia after Pierre Magnol, French botanist / three petals
Magnolia virginiana - sweetbay magnolia after Pierre Magnol, French botanist / of Virginia
Magnolia xsoulangiana - saucer magnolia after Pierre Magnol, French botanist / after Etienne Soulange-Bodin, French horticulturalist
Mahonia aquifolium - tall Oregon-grape after horticulturist Bernard M. Mahen / holly-like leaves
Mahonia fremontii - Fremont barberry after horticulturist Bernard M. Mahen / after the Pathfinder politician, General John C. Fremont
Mahonia haematocarpa - red barberry after horticulturist Bernard M. Mahen / blood-red (fruit)
Mahonia nervosa - dwarf Oregon-grape after horticulturist Bernard M. Mahen / veined or nerved (leaves)
Mahonia nevinii - Nevine's barberry after horticulturist Bernard M. Mahen / after botanist Reverand Joseph C. Nevin
Mahonia repens - creeping mahonia after horticulturist Bernard M. Mahen / creeping or low
Malosma laurina - laurel sumac apple-like fragrance / laurel-like foliage
Malus angustifolia - southern crab apple Latin name for apple, Greek "melon" / small leaf
Malus fusca - Oregon crabapple Latin name for apple, Greek "melon" / dark brown
Malus prunifolia - plumleaf crab apple Latin name for apple, Greek "melon" / plum-like foliage
Malus spp. - apple Latin name for apple, Greek "melon" / Latin name for apple, Greek "melon"
Mangifera indica - mango Local name of the fruit plus Latin "ferre" (to carry) / of India
Melaleuca linariifolia - flaxleaf paperbark Greek "melas" (black) and "leukos" (white) for the contrast between bark and leaves / narrow leaves
Melaleuca quinquenervia - melaleuca Greek "melas" (black) and "leukos" (white) for the contrast between bark and leaves / Latin "quinqu" (five) and "nervus" (nerve or tendon)
Melia azedarach - Chinaberry Greek name for ash (similar leaves) / Native name
Menziesia ferruginea - false azalea after naturalist Archibald Menzies / rusty red, for its copper-colored flowers
Menziesia pilosa - minniebush after naturalist Archibald Menzies / hairy or shaggy
Metasequoia glyptostroboides - dawn redwood Greek "meta" (changed) and sequoia (a relative) / glypto (carved) and stroboides (overlapping scales)
Metopium toxiferum - poisonwood he gum of an African tree, probably because the trunk yields a (poisonous) black sap / bearing poison, Greek "toxikon" (poison) and "fera" (to bear)
Metrosideros polymorpha - 'ohi'a lehua Greek "metra" (heartwood) and "sidero" (iron) / many forms
Mimosa aculeaticarpa - catclaw mimosa Spanish "mimoso" (sensitive) / Latin "aculeata" (prickly) and "carpa" (fruit)
Mitchella repens - partridgeberry after botanist John Mitchell / creeping
Morella californica - Pacific waxmyrtle unknown, perhaps a town in Italy or Spain / of California
Morella cerifera - waxmyrtle unknown, perhaps a town in Italy or Spain / wax bearing
Morella inodora - odorless bayberry unknown, perhaps a town in Italy or Spain / lacking odor
Morella pensylvanica - northern bayberry unknown, perhaps a town in Italy or Spain / of Pennsylvania
Morus alba - white mulberry Latin name for Morus nigra from Greek "morea" (mulberry tree) / white
Morus microphylla - Texas mulberry Latin name for Morus nigra from Greek "morea" (mulberry tree) / small leaves
Morus rubra - red mulberry Latin name for Morus nigra from Greek "morea" (mulberry tree) / red
Musa spp. - banana bananas are similar to Heliconia spp., which grow on Mount Helicon, the home of the Muses / bananas are similar to Heliconia spp., which grow on Mount Helicon, the home of the Muses
Myrica gale - sweetgale Greek "myrike" (Tamarix) / old English "gagel"
Myrsine cubana - colicwood From the Greek word for myrtle (Myrtus communis) / of Cuba
Myrtillocactus geometrizans - blue myrtle-cactus fruit resembling Vaccinium myrtillus / geometric, patterned
Myrtus communis - myrtle ancient word for this tree / common, growing as a community
Nandina domestica - heavenly bamboo Japanese name "nanten" / cultivated
Nerium oleander - oleander from the old Greek name "oleon" for this tree / olive tree, for the resemblence of the leaves to olive leaves
Neviusia alabamensis - Alabama snow-wreath after botanist/reverend Reuben Nevius / of Alabama
Nicotiana tomentosa - tobacco after Jean Nicot, who introduced tobacco to the French / hairy
Nolina texana - beargrass after French agronomist C.P. Nolin / of Texas
Notholithocarpus densiflorus - tanoak Latin "nothus" (false) and Greek "lithos" (stone) and "karpos" (fruit) for its hard fruit / densely flowered
Nyssa aquatica - water tupelo Greek "Nysa" - a water nymph / of water
Nyssa biflora - swamp tupelo Greek "Nysa" - a water nymph / two-flowered
Nyssa ogeche - Ogeechee tupelo Greek "Nysa" - a water nymph / after the Ogeechee River, in Georgia
Nyssa sylvatica - blackgum Greek "Nysa" - a water nymph / of the woods - Latin "silva" (forest)
Oemleria cerasiformis - Indian-plum after German botanist Augustus Oemler / cherry bearing
Olea europaea - olive ancient name for an olive tree / of Europe
Olneya tesota - desert ironwood after naturalist Stephen Thayer Olney / after the Spanish "tieso" (stiff)
Oplopanax horridus - Devilsclub Greek "oplo" (armed) and "panax" (a plant that heals all diseases) - it was originally described as a member of the Panax genus / frightful, rough, bristly, horrible
Opuntia aurea - golden pricklypear Greek name for an edible plant that could be rooted from leaves / golden, beautiful or splendid
Opuntia engelmannii - Engelmann's pricklypear Greek name for an edible plant that could be rooted from leaves / after Dr. George Engelmann
Opuntia polyacantha - Plains pricklypear Greek name for an edible plant that could be rooted from leaves / Latin "poly" (many) and "acantha" (thorn)
Opuntia rufida - blind pricklypear Greek name for an edible plant that could be rooted from leaves / rusty red
Osmanthus americanus - devilwood Greek "osme" (odor) and "anthos" (flower) / of America
Osteomeles anthyllidifolia - Hawaii hawthorne Greek "osteon" (bone) and "malus" (apple), a reference to the fruit / Greek "anthemon" (flower) and "folia" (leaf)
Ostrya virginiana - hophornbeam Greek "ostrya or ostrua" (a tree with hard wood) / of Virginia
Oxydendrum arboreum - sourwood Greek "oxys" (acid) and "dendron" (tree) - refers to acid-tasting leaves / tree-like
Pachycereus pringlei - cardón Greek "pachys" (thick) and Latin "cera" (torch) for the resemblence to a torch / after Quaker naturalist Cyrus Guernsey Pringle
Pachycereus schottii - senita cactus Greek "pachys" (thick) and Latin "cera" (torch) for the resemblence to a torch / after naturalist Arthur Schott
Pachycormus discolor - torote blanco Greek "pachys" (thick) and "kormos" (stump) / one color
Pachysandra terminalis - Japanese pachysandra Greek "pachys" (thick) and "andra" (male) / terminal (flowers)
Parkinsonia aculeata - Jerusalem thorn after English naturalist J. Parkinson / prickly
Parkinsonia florida - blue paloverde after English naturalist J. Parkinson / flowering
Parkinsonia microphylla - yellow paloverde after English naturalist J. Parkinson / small leaves
Parrotia persica - Persian ironwood after German naturalist F.W. Parrot / of Persia
Parthenium argentatum - guayule Greek "Parthenion" (Genus Matricaria), which is similar / / silvery (leaves)
Parthenocissus quinquefolia - Virginia creeper Greek "parthenos" (a virgin) and "kissos" (ivy) / five leaflets
Parthenocissus tricuspidata - Boston ivy Greek "parthenos" (a virgin) and "kissos" (ivy) / three-pointed (leaves)
Paulownia fortunei - dragon tree After Princess Paulowna of Russia / after Robert Fortune
Paulownia tomentosa - royal paulownia After Princess Paulowna of Russia / hairy (leaves)
Paxistima myrsinites - false box Greek for thick stigma / resembles myrtles
Penstemon ellipticus - rocky ledge penstemon Greek "pente" (five) and "stemon" (stamen) / elliptical (leaves)
Perityle incana - Guadalupe Island rock daisy Greek "peri" (around) and "tyle" (callous), describing the fruit / hoary
Persea americana - avocado Greek name of a tree / of America
Persea borbonia - redbay Greek name of a tree / after the Duke of Orleans Gaston de Bourbon, a patron of botanists.
Persea palustris - swampbay Greek name of a tree / of the swamps
Petrophytum caespitosum - rockmat Greek "petra" (rock) and "phyton" (plant) / dense clumps, in patches
Phellodendron amurense - Amur corktree Greek "phellos" (cork) and "dendron" (tree) / of Amur
Phellodendron japonicum - Japanese corktree Greek "phellos" (cork) and "dendron" (tree) / of Japan
Philadelphus coronarius - European mockorange once considered a Syringa, Linnaeus arbitrarily dedicated it to Ptolemaic pharaoh Ptolemy II Philadelphus / used in garlands
Philadelphus inodorus - scentless mockorange once considered a Syringa, Linnaeus arbitrarily dedicated it to Ptolemaic pharaoh Ptolemy II Philadelphus / without odor
Philadelphus lewisii - mockorange once considered a Syringa, Linnaeus arbitrarily dedicated it to Ptolemaic pharaoh Ptolemy II Philadelphus / after Meriwether Lewis (of Lewis and Clark)
Philadelphus pubescens - hoary mockorange once considered a Syringa, Linnaeus arbitrarily dedicated it to Ptolemaic pharaoh Ptolemy II Philadelphus / pubescent
Phoenix canariensis - Canary Island date palm Greek name for this Genus / of the Canary Islands
Phoenix roebelenii - pygmy date palm Greek name for this Genus / of the Canary Islands
Photinia xfraseri - red tips Greek "photos" (light), referring to shiny leaves / After Fraser nurseries
Physocarpus capitatus - ninebark Greek "physa" (bladder) and "karpon" (fruit) / having or forming a head
Physocarpus malvaceus - mallow ninebark Greek "physo" (bladder) and "karpos" (fruit) / mallow-like (leaves)
Physocarpus monogynus - mountain ninebark Greek "physo" (bladder) and "karpos" (fruit) / one ovary
Physocarpus opulifolius - common ninebark Greek "physa" (bladder) and "karpon" (fruit) / / Latin name for a kind of maple
Picea abies - Norway spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / fir (needles flattened like a fir)
Picea alcoquiana - Alcock's Spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / after Sir Rutherford Alcock, British minister to Tokyo
Picea breweriana - Brewer spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / after William Brewer, American botanist
Picea chihuahuana - Chihuahua spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / of the Mexican State of Chihuahua
Picea engelmannii - Engelmann spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / after Dr. George Engelmann
Picea glauca - white spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / waxy whitish bloom
Picea mariana - black spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / of Maryland
Picea omorika - Serbian spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / Serbian name for this tree
Picea orientalis - Oriental spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / of the east
Picea pungens - blue spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / sharp (leaves) - Latin "pungere" (to prick)
Picea rubens - red spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / blushed with red (buds and bark) - Latin "rubere" (red)
Picea sitchensis - Sitka spruce Latin "pix" (pitch-producing) from Greek "pissa" (pitch) / of Sitka, Alaska
Pieris floribunda - mountain pieris from Pierides, a Muse / abundantly flowering
Pieris japonica - Japanese pieris from Pierides, a Muse / flowering profusely
Pinckneya bracteata - fevertree after Charles Cotesworth Pinckney / a reference to the flower bracts
Pinus albicaulis - whitebark pine Latin name for pine from Greek "pitus" / white-stemmed
Pinus aristata - Rocky Mountain bristlecone pine Latin name for pine from Greek "pitus" / bristle, thorn, awned (armed cone) Latin "arista" (bristle)
Pinus attenuata - knobcone pine Latin name for pine from Greek "pitus" / drawn-out (cones)
Pinus banksiana - jack pine Latin name for pine from Greek "pitus" / after botanist Joseph Banks
Pinus brutia - Turkish pine Latin name for pine from Greek "pitus" / probably after Bruttii (an Italian tribe) or Bruttium (an ancient name for the Calabria region in southern Italy)
Pinus bungeana - lacebark pine Latin name for pine from Greek "pitus" / after Alexander von Bunge, Russian botanist
Pinus cembra - Swiss stone pine Latin name for pine from Greek "pitus" / the Italian name for this species
Pinus clausa - sand pine Latin name for pine from Greek "pitus" / Latin "clausus" (shut - cones remain closed)
Pinus contorta - lodgepole pine Latin name for pine from Greek "pitus" / twisted Latin "torque" (to twist)
Pinus coulteri - Coulter pine Latin name for pine from Greek "pitus" / after Thomas Coulter
Pinus densiflora - Japanese red pine Latin name for pine from Greek "pitus" / densely flowered
Pinus echinata - shortleaf pine Latin name for pine from Greek "pitus" / Greek "echinos" (a hedgehog, prickly - a reference to the cone scales)
Pinus edulis - pinyon pine Latin name for pine from Greek "pitus" / edible (seeds)
Pinus elliottii - slash pine Latin name for pine from Greek "pitus" / after American botanist Stephen Elliott
Pinus engelmannii - Apache pine Latin name for pine from Greek "pitus"/ after Dr. George Engelmann / Latin name for pine from Greek "pitus"/ after Dr. George Engelmann
Pinus flexilis - limber pine Latin name for pine from Greek "pitus" / flexible
Pinus glabra - spruce pine Latin name for pine from Greek "pitus" / glabrous (lacking hair)
Pinus halepensis - Aleppo pine Latin name for pine from Greek "pitus" / after Aleppo, because it grows near Aleppo and in other parts of Syria
Pinus jeffreyi - Jeffrey pine Latin name for pine from Greek "pitus" / after John Jeffrey
Pinus lambertiana - sugar pine Latin name for pine from Greek "pitus" / after Aylmer Lambert
Pinus leiophylla - Chihuahua pine Latin name for pine from Greek "pitus" / smooth leaves
Pinus longaeva - Great Basin bristlecone pine Latin name for pine from Greek "pitus" / Latin "longaevus" (ancient or aged)
Pinus monophylla - singleleaf pinyon Latin name for pine from Greek "pitus" / one leaf
Pinus monticola - western white pine Latin name for pine from Greek "pitus" / growing on mountains
Pinus mugo - mugo pine Latin name for pine from Greek "pitus" / Tyrolese name
Pinus muricata - Bishop pine Latin name for pine from Greek "pitus" / roughened with hard points
Pinus nigra - Austrian pine Latin name for pine from Greek "pitus" / black
Pinus palustris - longleaf pine Latin name for pine from Greek "pitus" / of swamps - Latin "palus" (swamp)
Pinus parviflora - Japanese white pine Latin name for pine from Greek "pitus" / small-flowered
Pinus pinea - Italian stone pine Latin name for pine from Greek "pitus" / ancient Greek name for this genus
Pinus ponderosa - ponderosa pine Latin name for pine from Greek "pitus" / ponderous or heavy (wood) - Latin "pondus" (weight or size)
Pinus pungens - Table Mountain pine Latin name for pine from Greek "pitus" / sharp (cones) - Latin "pungere" (to prick)
Pinus quadrifolia - Parry pine Latin name for pine from Greek "pitus" / four-leaved
Pinus radiata - Monterey pine Latin name for pine from Greek "pitus" / Latin "radi" (a spoke or ray) or "radian" (shining)
Pinus resinosa - red pine Latin name for pine from Greek "pitus" / resinous
Pinus rigida - pitch pine Latin name for pine from Greek "pitus" / rigid (leaves)
Pinus roxburghii - chir pine Latin name for pine from Greek "pitus" / after Scottish botanist William Roxburgh
Pinus sabiniana - gray pine Latin name for pine from Greek "pitus" / after British naturalist Joseph Sabine
Pinus serotina - pond pine Latin name for pine from Greek "pitus" / Latin "serus" (late) - cones are slow to open
Pinus strobiformis - southwestern white pine Latin name for pine from Greek "pitus" / like Pinus strobus
Pinus strobus - eastern white pine Latin name for pine from Greek "pitus" / incense-bearing or a gum-yielding tree (pitchy) or Greek "strobus" (cone)
Pinus sylvestris - Scots pine Latin name for pine from Greek "pitus" / of the woods - Latin "silva" (forest)
Pinus taeda - loblolly pine Latin name for pine from Greek "pitus" / a torch of pine wood - resinous
Pinus thunbergii - Japanese black pine Latin name for pine from Greek "pitus" / after Swedish botanist Carl Peter Thunberg
Pinus torreyana - Torrey pine Latin name for pine from Greek "pitus" / after botanist John Torrey
Pinus virginiana - Virginia pine Latin name for pine from Greek "pitus" / of Virginia
Pinus wallichiana - Himalaya pine Latin name for pine from Greek "pitus" / after Danish botanist Nathaniel Wallich
Pinus xrigitaeda - pitchlob hybrid Latin name for pine from Greek "pitus" / hybrid of rigida x taeda
Pistacia chinensis - Chinese pistache ancient Greek name for this genus / of China
Pittosporum tobira - Japanese mockorange Greek "pitta" (pitch) and "spora" (seed), for the sticky pulp surrounding the seeds / Initially Japanese "tobera" (door tree) - probably for its use as a front door ornamental tree
Planera aquatica - water elm after German botanist Johann Planer / of water
Platanus occidentalis - American sycamore Greek "platanos" (broad or flat) / western - Latin "occidere" (to set, as the sun)
Platanus racemosa - California sycamore Greek "platanos" (broad or flat) / racemes
Platanus wrightii - Arizona sycamore Greek "platanos" (broad or flat) / after Wright, a botanical collector
Platanus xhispanica - London plane tree Greek "platanos" (broad or flat) / origin
Platycladus orientalis - Oriental arborvitae Greek "platy" (broad or flat) and "cladus" (branch) / of the east
Pluchea sericea - arrow-weed after French naturalist N.A. Pluche / silky or Latin "serus" (late or tardy)
Podocarpus macrophyllus - shrubby yew Greek "podos" (foot) and "carpus" (seed) / large leaves
Poliomintha incana - rosemary mint Greek "polios" (hoary) and "mintha" (mint) / hoary
Poncirus trifoliata - trifoliate orange French name of a citron / three leaflets
Populus alba - European white poplar Latin name / white
Populus angustifolia - narrowleaf cottonwood Latin name / narrow leaves
Populus balsamifera ssp. balsamifera - balsam poplar Latin name / balsam bearing
Populus balsamifera ssp. trichocarpa - black cottonwood Latin name / balsam bearing
Populus deltoides - eastern cottonwood Latin name / triangular (leaf)
Populus fremontii - Fremont cottonwood Latin name / after the Pathfinder politician, General John C. Fremont
Populus grandidentata - bigtooth aspen Latin name / with large teeth
Populus heterophylla - swamp cottonwood Latin name / Greek "hetero" (different) "phylla" (leaf) - with variable leaves
Populus nigra var. italica - Lombardy poplar Latin name / black
Populus tremuloides - quaking aspen Latin name / named for its resemblance to Populus tremula
Prosopis glandulosa - honey mesquite Greek name for burdock / gland-bearing
Prosopis pubescens - screwbean mesquite Greek name for burdock / fuzzy
Prosopis velutina - velvet mesquite Greek name for burdock / Latin "velutum" (velvety)
Prunus alleghaniensis - Allegheny plum Latin name for plum trees from Greek "prunos" (plum or cherry) / from Alleghany region
Prunus americana - American plum Latin name for plum trees from Greek "prunos" (plum or cherry) / of America
Prunus angustifolia - Chickasaw plum Latin name for plum trees from Greek "prunos" (plum or cherry) / narrow-leaved
Prunus avium - sweet cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / of birds (distribute seeds), where birds are found Latin "avis" (bird)
Prunus caroliniana - Carolina laurelcherry Latin name for plum trees from Greek "prunos" (plum or cherry) / of Carolina
Prunus cerasifera - purple leaf plum Latin name for plum trees from Greek "prunos" (plum or cherry) / cherry-bearing
Prunus cerasus - sour cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / Latin word for a cherry
Prunus emarginata - bitter cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / out or away from
Prunus fasciculata - desert almond Latin name for plum trees from Greek "prunos" (plum or cherry) / fascicle-like bundles of leaves
Prunus fremontii - desert apricot Latin name for plum trees from Greek "prunos" (plum or cherry) / after the Pathfinder politician, General John C. Fremont
Prunus ilicifolia - hollyleaf cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / holly-like leaves
Prunus laurocerasus - cherrylaurel Latin name for plum trees from Greek "prunos" (plum or cherry) / laurel-like (leaves) and the Latin word for a cherry
Prunus maritima - beach plum Latin name for plum trees from Greek "prunos" (plum or cherry) / maritime, near the ocean
Prunus mexicana - Mexican plum Latin name for plum trees from Greek "prunos" (plum or cherry) / of Mexico
Prunus pensylvanica - fire cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / of Pennsylvania
Prunus persica - peach Latin name for plum trees from Greek "prunos" (plum or cherry) / of Persia
Prunus salicina - Asian plum Latin name for plum trees from Greek "prunos" (plum or cherry) / Latin word for a willow
Prunus sargentii - Sargent cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / after Sargent
Prunus serotina - black cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / Latin "serus" (late) - late maturing fruit
Prunus serrula - birch bark cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / serrate (leaves)
Prunus serrulata - Kwanzan cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / small teeth (leaves)
Prunus subcordata - Klamath plum Latin name for plum trees from Greek "prunos" (plum or cherry) / somewhat heart-shaped
Prunus subhirtella - Higan cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / somewhat hairy
Prunus virginiana - choke cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / of Virginia
Prunus xyedoensis - Yoshino cherry Latin name for plum trees from Greek "prunos" (plum or cherry) / of Tokyo (Yedo)
Pseudocydonia sinensis - Chinese-quince resembling Cydonia / of China
Pseudotsuga macrocarpa - bigcone Douglas-fir false Tsuga / large cones
Pseudotsuga menziesii - Douglas-fir false Tsuga / after naturalist Archibald Menzies
Pseudotsuga sinensis - Chinese Douglas-fir false Tsuga / of China
Psilostrophe cooperi - paper-daisy from Greek "psilo" (naked) and "trophe" (loving, or to turn) / after Dr. James Graham Cooper
Psorothamnus fremontii - Fremont's dalea Greek for scabshrub / after the Pathfinder politician, General John C. Fremont
Psorothamnus schottii - Schott indigobush Greek for scabshrub / after naturalist Arthur Schott
Psorothamnus spinosus - desert smoke tree Greek for scabshrub / spiny
Ptelea trifoliata - hoptree Greek name for an elm (elm-like fruits) / three-leaved
Pueraria montana - kudzu after Swiss botanist M.N.Puerari / of the mountains
Punica granatum - pomegranate Latin "punicus" (red) / Latin "granatum" (grained, or seeded)
Purshia stansburiana - Stansbury cliffrose after German botanist Friedrick Pursh / after American surveyor Howard Stansbury
Purshia tridentata - bitterbrush After German botanist Friedrick Pursh / three teeth (leaves)
Pyracantha coccinea - scarlet firethorn Greek "pyr" (fire) and "akantha" (thorn) / scarlet (fruit), Greek "kakkos" (a berry)
Pyrularia pubera - buffalo nut small pear / minutely pubescent
Pyrus calleryana - Callery pear Latin name / after J. Callery, French missionary
Pyrus communis - common pear Latin name / common
Pyrus pyrifolia - Asian pear Latin name / Pear-like foliage
Quercus acutissima - sawtooth oak Latin name / sharply pointed leaves
Quercus agrifolia - coast live oak Latin name / with spiny or rough leaves
Quercus alba - white oak Latin name / white
Quercus arizonica - Arizona white oak Latin name / of Arizona
Quercus austrina - bluff oak Latin name / of the south, southern
Quercus berberidifolia - scrub oak Latin name / with Berberis-like foliage
Quercus bicolor - swamp white oak Latin name / 2-colored
Quercus chrysolepis - canyon live oak Latin name / Latin "chryso" (golden)
Quercus coccinea - scarlet oak Latin name / scarlet, Greek "kakkos" (a berry)
Quercus cornelius-mulleri - Muller oak Latin name / after ecologist Cornelius Herman Muller
Quercus douglasii - blue oak Latin name / after Scottish botanist David Douglas
Quercus dumosa - Nuttall's scrub oak Latin name / shrubby or small
Quercus durata - leather oak Latin name / Latin "durateus" (wooden, hard)
Quercus ellipsoidalis - northern pin oak Latin name / elliptical, for the shape of the fruit
Quercus emoryi - Emory oak Latin name / after Maj. William Hemsley Emory
Quercus engelmannii - Engelmann oak Latin name / after Dr. George Engelmann
Quercus falcata - southern red oak Latin name / sickle-shaped (leaves)
Quercus fusiformis - Texas live oak Latin name / spindle-shaped
Quercus gambelii - Gambel oak Latin name / after Gambel
Quercus garryana - Oregon white oak Latin name / after Nicholas Garry, friend of David Douglas
Quercus georgiana - Georgia oak Latin name / of Georgia
Quercus grisea - gray oak Latin name / gray
Quercus hemisphaerica - Darlington oak Latin name / hemispherical - perhaps a reference to the dome-shaped crown when open-grown
Quercus hypoleucoides - silverleaf oak Latin name / white below (the leaves)
Quercus ilicifolia - bear oak Latin name / holly-like leaves
Quercus imbricaria - shingle oak Latin name / Latin "imbrex" (tile) - was used for shingles
Quercus incana - bluejack oak Latin name / gray or hoary
Quercus kelloggii - California black oak Latin name / after Kellogg
Quercus laevis - turkey oak Latin name / Latin "laev" (smooth; nimble, light)
Quercus laurifolia - laurel oak Latin name / laurel-like leaves
Quercus lobata - valley oak Latin name / lobed leaves
Quercus lyrata - overcup oak Latin name / Greek "lyra" (lute) - lyre-shaped seed
Quercus macrocarpa - bur oak Latin name / Greek "makros" (large) and "karpos" (seed)
Quercus margaretta - sand post oak Latin name / perhaps Greek "margarit" (a pearl) or Latin "marg" (a border or edge)
Quercus marilandica - blackjack oak Latin name / of Maryland
Quercus michauxii - swamp chestnut oak Latin name / after F. A. Michaux
Quercus minima - running oak Latin name / small
Quercus montana - chestnut oak Latin name / of the mountains
Quercus muehlenbergii - chinkapin oak Latin name / after G.H.E. Muehlenberg
Quercus nigra - water oak Latin name / black
Quercus oblongifolia - Mexican blue oak Latin name / oblong leaves
Quercus oglethorpensis - Oglethorpe oak Latin name / after James Edward Oglethorpe
Quercus pagoda - cherrybark oak Latin name / leaf shaped like a pagoda
Quercus palustris - pin oak Latin name / of swamps - Latin "palus" (swamp)
Quercus phellos - willow oak Latin name / Greek "phellos" (corky - bark has rough, corky ridges)
Quercus prinoides - dwarf chinquapin oak Latin name / resembling Q. prinus (syn Q. montana), prinus referred to a Greek name of an oak
Quercus robur - English oak Latin name / Latin for hard wood or strength
Quercus rubra - northern red oak Latin name / red
Quercus rugosa - netleaf oak Latin name / wrinkled
Quercus sadleriana - deer oak Latin name / after botanist John Sadler
Quercus shumardii - Shumard oak Latin name / after Shumard
Quercus sinuata - Durand white oak Latin name / sinuous or wavy (leaves)
Quercus stellata - post oak Latin name / stellate (covered with stars), referring to hairs on leaf undersides
Quercus suber - cork oak Latin name / Latin for cork
Quercus texana - Nuttall oak Latin name / of Texas
Quercus tomentella - island live oak Latin name / densely hairy
Quercus toumeyi - Toumey oak from Latin name for Quercus ilex (holly oak) / after botanist James Toumey
Quercus turbinella - shrub live oak Latin name / shaped like a top (the acorns)
Quercus vacciniifolia - huckleberry oak Latin name / Vaccinium-like
Quercus velutina - black oak Latin name / Latin "velutum" (velvety, in reference to the buds)
Quercus virginiana - live oak Latin name / of Virginia
Quercus wislizeni - interior live oak Latin name / after botanist A. Wislizenius
Quillaja saponaria - soapbark unknown, probably a local/Chilean name / soap-bearing
Rhamnus cathartica - common buckthorn Greek name for buckthorn "rhamnos" / purgative
Rhamnus crocea - redberry Greek name for buckthorn "rhamnos" / saffron-colored (the inner bark)
Rhamnus ilicifolia - hollyleaf redberry Greek name for buckthorn "rhamnos" / holly-like leaves
Rhapidophyllum hystrix - needle palm Greek "rhapis" (needle) and "phyllum" (leaf) / Greek word for porcupine, many thorns
Rhizophora mangle - red mangrove Greek "rhiz" (a root) and "phor" (carry) / Portuguese "mang" (mongo)
Rhododendron albiflorum - white rhododendron Rose tree - Greek "rhodo" (red) and "dendron" (tree) / white flowers
Rhododendron atlanticum - dwarf azalea Rose tree - Greek "rhodo" (red) and "dendron" (tree) / atlantic
Rhododendron austrinum - Florida azalea Rose tree - Greek "rhodo" (red) and "dendron" (tree) / of the south, southern
Rhododendron calendulaceum - flame azalea Rose tree - Greek "rhodo" (red) and "dendron" (tree) / like Calendula, referring to the flower color
Rhododendron canadense - rhodora Rose tree - Greek "rhodo" (red) and "dendron" (tree) / of Canada
Rhododendron canescens - swamp azalea Rose tree - Greek "rhodo" (red) and "dendron" (tree) / covered in white, becoming hoary
Rhododendron catawbiense - Catawba rhododendron Rose tree - Greek "rhodo" (red) and "dendron" (tree) / refers to the Catawba River
Rhododendron macrophyllum - Pacific rhododendron Rose tree - Greek "rhodo" (red) and "dendron" (tree) / large leaves
Rhododendron maximum - great rhododendron Rose tree - Greek "rhodo" (red) and "dendron" (tree) / the largest
Rhododendron occidentale - western azalea Rose tree - Greek "rhodo" (red) and "dendron" (tree) / western
Rhododendron periclymenoides - pink azalea Rose tree - Greek "rhodo" (red) and "dendron" (tree) / resembling a honeysuckle (Lonicera periclymenum)
Rhodotypos scandens - jet blackbead Greek "rhodo" (rose) and "typos" (type) / climbing
Rhus aromatica - fragrant sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / fragrant
Rhus copallinum - shining sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / Mexican name - yields copal gum
Rhus glabra - smooth sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / glabrous (lacking hair)
Rhus integrifolia - lemonade sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / entire leaf margins
Rhus kearneyi - Kearney's sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / after botanist Thomas Henry Kearney
Rhus lancea - African sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / narrow or slender leaves
Rhus lanceolata - prairie sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / lance-shaped (leaves)
Rhus lentii - lentisco Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) /
Rhus michauxii - Michaux's sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / after A. Michaux
Rhus microphylla - littleleaf sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / small leaves
Rhus ovata - sugar sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / ovate leaves
Rhus trilobata - skunkbush sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / three-lobed leaves
Rhus typhina - staghorn sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / rough hairy
Rhus virens - New Mexico evergreen sumac Latin name from Greek name for sumac "rhous" from Greek "reo" (to flow) / Latin "vivere" (to live) - evergreen
Ribes acerifolium - mapleleaf currant Arabic "ribas" (acidic tasting (fruit)) / with maple-like leaves
Ribes alpinum - mountain currant Arabic "ribas" (acidic tasting (fruit)) / alpine
Ribes aureum - golden currant Arabic "ribas" (acidic tasting (fruit)) / golden
Ribes bracteosum - stink currant Arabic "ribas" (acidic tasting (fruit)) / a reference to floral bracts
Ribes cereum - wax currant Arabic "ribas" (acidic tasting (fruit)) / waxy or wax-bearing
Ribes cynosbati - prickly gooseberry Arabic "ribas" (acidic tasting (fruit)) / dog-thorn from Greek "kyon" (dog) and "bati" (thorn)
Ribes divaricatum - spreading gooseberry Arabic "ribas" (acidic tasting (fruit)) / Latin "divarico" (to spread apart)
Ribes hirtellum - wild gooseberry Arabic "ribas" (acidic tasting (fruit)) / hairy
Ribes lacustre - prickly currant Arabic "ribas" (acidic tasting (fruit)) / of lakes
Ribes laxiflorum - trailing black currant Arabic "ribas" (acidic tasting (fruit)) / flowers in loose clusters
Ribes montigenum - mountain gooseberry Arabic "ribas" (acidic tasting (fruit)) / mountain-borne
Ribes niveum - snow gooseberry Arabic "ribas" (acidic tasting (fruit)) / snowy white
Ribes roezlii - Sierra gooseberry Arabic "ribas" (acidic tasting (fruit)) / after Czech botanist Benedikt Roezl
Ribes rotundifolium - Appalachian gooseberry Arabic "ribas" (acidic tasting (fruit)) / round leaf
Ribes sanguineum - red-flowering currant Arabic "ribas" (acidic tasting (fruit)) / blood red (flowers)
Ribes viburnifolium - evergreen currant Arabic "ribas" (acidic tasting (fruit)) / with Viburnum-like leaves
Ribes viscosissimum - sticky currant Arabic "ribas" (acidic tasting (fruit)) / Latin "viscosus" (sticky) and "issimus" (to the highest degree), the stickiest
Ribes wolfii - Wolf's currant Arabic "ribas" (acidic tasting (fruit)) / after botanist John Wolf
Robinia hispida - bristly locust after Jean Robin, French Herbalist / bristly
Robinia neomexicana - New Mexican locust after Jean Robin, French Herbalist / of New Mexico
Robinia pseudoacacia - black locust after Jean Robin, French Herbalist / false acacia, Greek "akakia" (the Egyptian thorn-tree) and "akis" (thorn)
Rosa canina - dog rose Latin name / with sharp teeth or thorns
Rosa carolina - Carolina rose Latin name / of Carolina
Rosa gymnocarpa - little wood rose Latin name / Greek "gymnos" (naked) and "karpos" (fruit)
Rosa minutifolia - small-leaved rose Latin name / tiny leaves
Rosa multiflora - multiflora rose Latin name / many flowers
Rosa nutkana - Nootka rose Latin name / after the Nootka sound
Rosa pisocarpa - cluster rose Latin name / pea-like fruit
Rosa rubiginosa - sweetbriar rose Latin name / rust-red, a reference to the red hairs on the leaves and calyx
Rosa rugosa - rugosa rose Latin name / wrinkled (leaves)
Rosa virginiana - common wild rose Latin name / of Virginia
Rosa woodsii - Woods' rose Latin name / after English botanist Joseph Woods
Roystonea regia - royal palm After General Roy Stone / Latin "regis" (king)
Rubus allegheniensis - Alleghany blackberry Latin name for blackberry / from Alleghany region
Rubus argutus - prickly Florida blackberry Latin name for blackberry / sharply toothed
Rubus armeniacus - Himalaya blackberry Latin name for blackberry / of Armenia
Rubus flagellaris - dewberry Latin name for blackberry / lash, thresh or flail
Rubus hayata-koidzumii - creeping raspberry Latin name for blackberry / after Japanese botanists Bunzo Hayata and Gen-ichi Koidzumi
Rubus idaeus - raspberry Latin name for blackberry / of Mt. Ida
Rubus laciniatus - evergreen blackberry Latin name for blackberry / deeply cut (leaves)
Rubus leucodermis - whitebark raspberry Latin name for blackberry / white bark
Rubus occidentalis - black raspberry Latin name for blackberry / western - Latin "occidere" (to set, as the sun)
Rubus odoratus - purple flowering raspberry Latin name for blackberry / scented
Rubus parviflorus - thimbleberry Latin name for blackberry / small-flowered
Rubus pedatus - trailing raspberry Latin name for blackberry / like a bird foot, radiating from one point
Rubus phoenicolasius - wine raspberry Latin name for blackberry / with purple hairs (stems)
Rubus spectabilis - salmonberry Latin name for blackberry / spectacular
Rubus ursinus - wild blackberry Latin name for blackberry / of bears - bears eat the fruits
Sabal minor - bush palmetto Latin "sab" (sand), possibly a native term / smaller or slight
Sabal palmetto - cabbage palmetto Latin "sab" (sand), possibly a native term / palm grove
Salix alba - white willow Latin name or Celtic "sal" (near) and "lis" (water) / white
Salix arctica - Arctic willow Latin name or Celtic "sal" (near) and "lis" (water) / of the arctic
Salix babylonica - weeping willow Latin name or Celtic "sal" (near) and "lis" (water) / of Babylon
Salix bebbiana - Bebb's willow Latin name or Celtic "sal" (near) and "lis" (water) / after Michael Bebb
Salix caprea - goat willow Latin name or Celtic "sal" (near) and "lis" (water) / Latin "capricorn" (relating to goats)
Salix discolor - pussy willow Latin name or Celtic "sal" (near) and "lis" (water) / two colors (leaf)
Salix exigua - sandbar willow Latin name or Celtic "sal" (near) and "lis" (water) / little or weak
Salix gooddingii - Goodding's willow Latin name or Celtic "sal" (near) and "lis" (water) / after botanist Leslie Newton Goodding
Salix herbacea - dwarf willow Latin name or Celtic "sal" (near) and "lis" (water) / herb-like
Salix hookeriana - dune willow Latin name or Celtic "sal" (near) and "lis" (water) / after William Jackson Hooker
Salix lasiolepis - arroyo willow Latin name or Celtic "sal" (near) and "lis" (water) / hairy or wooly
Salix lemmonii - Lemmon's willow Latin name or Celtic "sal" (near) and "lis" (water) / after American botanist John Gill Lemmon
Salix lucida - shining willow Latin name or Celtic "sal" (near) and "lis" (water) / bright, shining or clear - leaves are shiny
Salix lutea - yellow willow Latin name or Celtic "sal" (near) and "lis" (water) / yellow
Salix matsudana - corkscrew willow Latin name or Celtic "sal" (near) and "lis" (water) / after Japanese botanist Sadahisa Matsuda
Salix nigra - black willow Latin name or Celtic "sal" (near) and "lis" (water) / black
Salix prolixa - MacKenzie's willow Latin name or Celtic "sal" (near) and "lis" (water) / Latin "prolixa" (drawn-out)
Salix purpurea - purpleosier willow Latin name or Celtic "sal" (near) and "lis" (water) / purple
Salix scouleriana - Scouler willow LaLatin name or Celtic "sal" (near) and "lis" (water) / after naturalist Dr. John Scouler
Salix sitchensis - Sitka willow Latin name or Celtic "sal" (near) and "lis" (water) / of Sitka, Alaska
Salvia apiana - white sage Latin "salvio" (I am well), in reference to the curative properties of this genus / attractive to bees
Salvia clevelandii - fragrant sage Latin "salvio" (I am well), in reference to the curative properties of this genus / after botanist Daniel Cleveland
Salvia leucophylla - purple sage Latin "salvio" (I am well), in reference to the curative properties of this genus / white leaves
Salvia mellifera - black sage Latin "salvio" (I am well), in reference to the curative properties of this genus / bearing honey
Salvia officinalis - common sage Latin "salvio" (I am well), in reference to the curative properties of this genus / officinalis is a reference to the "officina", the medicinal storeroom of monastaries (a drug store)
Sambucus nigra ssp. canadensis - American elderberry Greek "Sambuca" a stringed instrument made from elder wood / black, of Canada
Sambucus nigra ssp. cerulea - blue elderberry Greek "Sambuca" a stringed instrument made from elder wood / black, Latin "cera" (waxy - leaves)
Sambucus racemosa - red elderberry Greek "Sambuca" a stringed instrument made from elder wood / in racemes
Sapindus saponaria - soapberry Latin "sapindus" (soap of the Indies) / soap bearing
Sarcobatus vermiculatus - greasewood Greek "sarko" (flesh), referring to succulent leaves and "batos" (bramble) / Latin "vermiculor" (worm-eaten or full of worms), referring to leaves(?)
Sassafras albidum - sassafras American Indian name or from Spanish "saxafrax" / white (leaf undersides)
Schinus molle - peppertree ancient Greek name for Pistacia / a Peruvian name
Schinus terebinthifolius - Brazilian peppertree ancient Greek name for Pistacia / With leaves resembling a terebith tree (Pistacia terebinthus)
Sciadopitys verticillata - umbrella pine Greek "sciados" (umbrella) and "pitys" (pine) / Latín "verticillatus (vertical) - referring to the leaf orientation
Senegalia berlandieri - guajillo after Senegal / after Swiss botanist Jean Louis Berlandier
Senegalia greggii - catclaw acacia after Senegal / after explorer Josiiah Gregg
Senna hebecarpa - American senna Arabic "sana" (mountaintop) / Latin "hebe" (young man) and "carpa" (fruit) for its hairy fruits
Sequoia sempervirens - redwood after Sequoiah, son of a British merchant and Cherokee woman / Latin "semper" (always) and "vivere" (to live) - evergreen
Sequoiadendron giganteum - giant sequoia from sequoia and Greek "dendron" (tree) / large
Serenoa repens - saw palmetto after botanist Sereno Watson / creeping or low
Sesbania punicea - rattlebox an old Arabic name for a Sesbania / dark red (flowers)
Shepherdia argentea - silver buffaloberry after botanist John Shepherd / silvery (leaves)
Shepherdia canadensis - buffaloberry after botanist John Shepherd / of Canada
Shepherdia rotundifolia - roundleaf buffaloberry after botanist John Shepherd / round leaves
Sibbaldiopsis tridentata - three-toothed-cinquefoil after Scottish physician Sir Robert Sibbald / leaves with three teeth
Sideroxylon lanuginosum - gum bumelia Greek "sidero" (iron) and "xylon" (wood) / woolly
Sideroxylon lycioides - buckthorn bumelia Greek "sidero" (iron) and "xylon" (wood) / similar to lycium
Simmondsia chinensis - jojoba after botanist Thomas William Simmonds / of China
Smilax bona-nox - saw greenbrier Greek name / Latin name (good night), an ancient name for a morning glory
Smilax glauca - catbrier Greek name / waxy whitish bloom
Smilax laurifolia - laurel greenbrier Greek name / laurel-like leaves
Smilax rotundifolia - common greenbrier Greek name / round-leaved
Smilax smallii - lanceleaf greenbrier Greek name / after American botanist John Small
Smilax tamnoides - bristly greenbrier Greek name / bristly (stems)
Soehrensia thelegona - sprawling torch unknown / Greek "thele" (breast), and Latin "gona" (birth)
Solanum dulcamara - bitter nightshade Latin name / sweet and injurious
Sophora chrysophylla - mamani Arabic name / Greek for golden leaves
Sophora secundiflora - mescal bean Arabic name / side-flowering
Sorbus alnifolia - Korean mountain-ash Latin name for Sorbus domestica / alder-like leaves
Sorbus americana - American mountain-ash Latin name for Sorbus domestica / of America
Sorbus aucuparia - European mountain-ash Latin name for Sorbus domestica / Latin "avis" (bird) and "capere" (to catch) - birds eat the fruits, tree used as bait
Sorbus decora - showy mountain-ash Latin name for Sorbus domestica / showy
Sorbus scopulina - Greene's mountain-ash Latin name for Sorbus domestica / growing on cliffs
Sorbus sitchensis - Sitka mountain-ash Latin name for Sorbus domestica / of Sitka, Alaska
Sphaeralcea ambigua - desert globemallow Latin "sphaera" (a globe or a sphere) / Latin "ambig" (in doubt or uncertain)
Spiraea alba var. alba - narrowleaf spiraea Greek "speiraira" (plant used in garlands) / white
Spiraea alba var. latifolia - meadowsweet Greek "speiraira" (plant used in garlands) / broad-leaved
Spiraea douglasii - Douglas spiraea Greek "speiraira" (plant used in garlands) / after Scottish botanist David Douglas
Spiraea japonica - Japanese spiraea Greek "speiraira" (plant used in garlands) / of Japan
Spiraea lucida - shinyleaf spiraea Greek "speiraira" (plant used in garlands) / shining
Spiraea splendens - rose meadowsweet Greek "speiraira" (plant used in garlands) / splendid (flowers)
Staphylea trifolia - bladdernut Greek "staphyle" (cluster - of flowers) / three leaflets
Stenocereus stellatus - Baja organ pipe cactus Greek "stenos" (narrow) and Latin "cera" (torch) for the resemblence to a torch / Latin "stella" (star)
Stenocereus thurberi - organpipe cactus Greek "stenos" (narrow) and Latin "cera" (torch) for the resemblence to a torch / after US botanist George Thurber
Stewartia ovata - mountain-camellia after John Stuart / ovate leaves
Stewartia spp. - stewartia after John Stuart / after John Stuart
Styphnolobium affine - Texas sophora Latin "stypticus" (to contract), probably a reference to constrictions of the fruit / similar to (?)
Styphnolobium japonicum - Japanese pagoda tree Latin "stypticus" (to contract), probably a reference to constrictions of the fruit / of Japan
Styrax americanus - American snowbell Greek name of Styrax officinalis / of America
Styrax japonicus - Japanese snowbell Greek name of Styrax officinalis / of Japan
Styrax obassia - fragrant snowbell Greek name of Styrax officinalis / a Japanese name
Swietenia mahagoni - West Indies mahogany after Dutch physician and botanist Baron Gerald von Swieten / Latinized version of a local name
Syagrus romanzoffiana - queen palm Used by Pliny for a palm / after Russian Count Romanzoff, sponsor of exploration
Symphoricarpos albus - snowberry Greek "symphorein" (bear together) and "karpos" (fruit) refers to clustered fruits / white
Symphoricarpos mollis - creeping snowberry Greek "symphorein" (bear together) and "karpos" (fruit) refers to clustered fruits / soft or silky form
Symphoricarpos orbiculatus - coralberry Greek "symphorein" (bear together) and "karpos" (fruit) refers to clustered fruits / orbicular fruits
Symplocos tinctoria - common sweetleaf Greek "symploke" (connection") - stamens are connected / dye or medical solution
Syringa reticulata - Japanese tree lilac Greek "syrinx" (a pipe) for its hollow stems / networked (veins in the leaf)
Syringa villosa - late lilac Greek "syrinx" (a pipe) for its hollow stems / hairy
Syringa vulgaris - common lilac Greek "syrinx" (a pipe) for its hollow stems / common
Syzygium nervosum - sugargum Greek "syn" (together) and "zygon" (yoke), perhaps a reference to fruits / veined or nerved (leaves)
Tabebuia aurea - Caribbean trumpet-tree A Latinized local/indigenous name / golden, beautiful or splendid
Tamarix aphylla - athel tamarisk Latin name / without leaves
Tamarix chinensis - saltcedar Latin name / of China
Tamarix gallica - tamarisk Latin name / of France
Tamarix parviflora - smallflower tamarisk Latin name / small flowers
Taxodium ascendens - pondcypress from Taxus and Greek "eidos" (resemblence to Taxus) / ascending
Taxodium distichum - baldcypress from Taxus and Greek "eidos" (resemblence to Taxus) / in two rows (leaves) Greek "di" (two) and "stichos" (rank)
Taxus baccata - English yew Latin name / berry-bearing
Taxus brevifolia - Pacific yew Latin name / short foliage
Taxus cuspidata - Japanese yew Latin name / with a cusp, coming to a sharp and rigid point (leaves)
Taxus xmedia - Anglo-Jap yew Latin name / intermediate
Tecoma stans - yellow bells Aztec name / upright
Tectona grandis - teak from the Malabar name "tekka" / large
Tetradium daniellii - Korean evodia Greek "tetra" (four) / after Willaim Daniell, who introduced the plant to western horticulture
Thuja occidentalis - northern white-cedar Greek "thyia" (for a juniper or a fragrant-wooded tree) from "thyo" (perfume) / western - Latin "occidere" (to set, as the sun)
Thuja plicata - western redcedar Greek "thyia" (for a juniper or a fragrant-wooded tree) from "thyo" (perfume) / plaited (leaves, branches) - Latin "plicare" (to fold)
Thujopsis dolabrata - false arborvitae Like a Thuja - Greek "thyia" (for a juniper or a fragrant-wooded tree) from "thyo" (perfume) / Latin "dolabra" (pick-axe (leaf shape))
Tilia americana - American basswood Latin name of Linden / of America
Tilia cordata - littleleaf linden Latin name of Linden / of Europe
Tilia petiolaris - silver linden Latin name of Linden / conspicuous petioles
Tilia xeuchlora - Crimean linden Latin name of Linden / Greek "eu" (true) and "chloros" (green)
Tilia xeuropaea - European linden Latin name of Linden / of Europe
Torreya californica - California nutmeg after John Torrey / of California
Torreya taxifolia - Florida torreya after John Torrey / with yew-like foliage
Toxicodendron diversilobum - Pacific poisonoak Greek "toxikon" (poison) and "dendron" (tree) / variable leaves
Toxicodendron pubescens - poison-oak Greek "toxikon" (poison) and "dendron" (tree) / hairy
Toxicodendron radicans - poison-ivy Greek "toxikon" (poison) and "dendron" (tree) / with rooting stems
Toxicodendron vernix - poison sumac Greek "toxikon" (poison) and "dendron" (tree) / Latin for varnish
Trachycarpus fortunei - Chinese windmill palm Latin "trachy" (rough) and "carpus" (fruit) / after Robert Fortune
Triadica sebifera - Chinese tallow tree three-parted (fruits) / Latin "sebum" (tallow, fat) and "fera" (to bear)
Tsuga canadensis - eastern hemlock Japanese name / of Canada
Tsuga caroliniana - Carolina hemlock Japanese name / of Carolina
Tsuga chinensis - Chinese hemlock Japanese name / of China
Tsuga heterophylla - western hemlock Japanese name / Greek "hetero" (different) "phylla" (leaf) - with variable leaves
Tsuga mertensiana - mountain hemlock Japanese name / after Karl Mertens, German botanist
Ulex europaeus - common gorse Latin name / of Europe
Ulmus alata - winged elm Latin name / winged (twigs)
Ulmus americana - American elm Latin name / of America
Ulmus crassifolia - cedar elm Latin name / thick-leaved
Ulmus parvifolia - Chinese elm Latin name / small leaves
Ulmus procera - field elm Latin name / smaller or slight (leaves)
Ulmus pumila - Siberian elm Latin name / dwarf or small
Ulmus rubra - slippery elm Latin name / red
Ulmus thomasii - rock elm Latin name / after horticulturist David Thomas
Ulmus xspp. - elm hybrids Latin name / --
Umbellularia californica - California-laurel Latin "umbella" (umbel) / of California
Ungnadia speciosa - Mexican buckeye after Austrian Barón David von Ungnad / Latin "species" (form) and "osus" (full of) - showy
Vaccinium arboreum - sparkleberry the Latin name for Vaccinium myrtillus or hyacinth / tree-like
Vaccinium cespitosum - dwarf bilberry the Latin name for Vaccinium myrtillus or hyacinth / having a densely clumped growth form
Vaccinium corymbosum - highbush blueberry the Latin name for Vaccinium myrtillus or hyacinth / with flat-topped flower clusters
Vaccinium deliciosum - Cascade bilberry the Latin name for Vaccinium myrtillus or hyacinth / delicious
Vaccinium elliottii - Elliott's blueberry the Latin name for Vaccinium myrtillus or hyacinth / after American botanist Stephen Elliott
Vaccinium fuscatum - black highbush blueberry the Latin name for Vaccinium myrtillus or hyacinth / dark, obscured (fruits)
Vaccinium macrocarpon - cranberry the Latin name for Vaccinium myrtillus or hyacinth / large fruits
Vaccinium membranaceum - big huckleberry the Latin name for Vaccinium myrtillus or hyacinth / like a membrane - thin leaves
Vaccinium myrtilloides - velvet-leaf blueberry the Latin name for Vaccinium myrtillus or hyacinth / myrtle-like leaves
Vaccinium myrtillus - bilberry the Latin name for Vaccinium myrtillus or hyacinth / myrtle-like leaves
Vaccinium ovalifolium - ovalleaf huckleberry the Latin name for Vaccinium myrtillus or hyacinth / oval leaves
Vaccinium ovatum - evergreen huckleberry the Latin name for Vaccinium myrtillus or hyacinth / ovate leaves
Vaccinium oxycoccos - small cranberry the Latin name for Vaccinium myrtillus or hyacinth / Greek "oxus" (acid), and "kokkos" (berry)
Vaccinium pallidum - lowbush blueberry the Latin name for Vaccinium myrtillus or hyacinth / pale
Vaccinium parvifolium - red huckleberry the Latin name for Vaccinium myrtillus or hyacinth / small leaves
Vaccinium scoparium - grouse whortleberry the Latin name for Vaccinium myrtillus or hyacinth / broom-like
Vaccinium stamineum - deerberry the Latin name for Vaccinium myrtillus or hyacinth / a reference to prominent stamens
Vaccinium uliginosum - bog blueberry the Latin name for Vaccinium myrtillus or hyacinth / of swamps
Vaccinium vitis-idaea - lingonberry the Latin name for Vaccinium myrtillus or hyacinth / a reference to the grape genus and raspberries, for the fruit
Vachellia constricta - whitethorn acacia after Reverand George Harvey Vachell / constricted, a reference to the fruits
Vachellia farnesiana - sweet acacia after Reverand George Harvey Vachell / after Cardinal Farnese
Vauquelinia californica - Arizona rosewood perhaps in honor of French cheist Louis Nicolas Vauquelin / of California
Vernicia fordii - tungoil tree Italian "vernice" (varnish) / after Charles Ford, superintendant of the Hong Kong Botanic Gardens
Viburnum acerifolium - mapleleaf viburnum Latin name for Viburnum lantana / maple-leaved
Viburnum carlesii - Koreanspice viburnum Latin name for Viburnum lantana / after British Vice-Consul in Korea, W.R. Carles
Viburnum dentatum - arrowwood Latin name for Viburnum lantana / referring to the teeth on the leaves
Viburnum dilatatum - linden viburnum Latin name for Viburnum lantana / spread out or wide-spreading
Viburnum edule - squashberry Latin name for Viburnum lantana / edible (fruit)
Viburnum ellipticum - western viburnum Latin name for Viburnum lantana / elliptical leaves
Viburnum lantana - wayfaringtree viburnum Latin name for Viburnum lantana / Italian name, perhaps after Latin "lentus" (light or flexible)
Viburnum lantanoides - hobblebush Latin name for Viburnum lantana / similar to Viburnum lantana
Viburnum lentago - nannyberry Latin name for Viburnum lantana / tough but pliable
Viburnum nudum - possumhaw viburnum Latin name for Viburnum lantana / Latin for bare or naked (hairless)
Viburnum opulus var. americanum - highbush-cranberry Latin name for Viburnum lantana / Latin name for a kind of maple
Viburnum opulus var. opulus - European cranberrybush viburnum Latin name for Viburnum lantana / Latin name for a kind of maple
Viburnum plicatum - doublefile viburnum Latin name for Viburnum lantana / pleated leaves
Viburnum prunifolium - blackhaw Latin name for Viburnum lantana / plum-leaved
Viburnum recognitum - smooth arrowwood Latin name for Viburnum lantana / Latin "recognitus" (recognized)
Viburnum rhytidophyllum - leatherleaf viburnum Latin name for Viburnum lantana / wrinkled leaves
Viburnum rufidulum - rusty blackhaw Latin name for Viburnum lantana / Latin "rufi" (red - probably a reference to rusty red hairs)
Viburnum xburkwoodii - Burkwood viburnum Latin name for Viburnum lantana / after English nurserymen Albert Burkwood and Geoffrey Skipwith
Viguiera laciniata - San Diego sunflower after French botanist Alexandre Viguier / deeply cut (leaves)
Vinca minor - periwinkle Latin "Vincio" (to bind) - the shoots / small
Vitex agnus-castus - lilac chastetree Latin name for the Grape genus / chaste
Vitex negundo - chastetree Latin name for the Grape genus / Latinized form of Malayan name
Vitex rotundifolia - beach vitex Latin name for the Grape genus / round-leaved
Vitis aestivalis - summer grape Latin name / of summer
Vitis rotundifolia - muscadine grape Latin name / round leaves
Washingtonia filifera - California fan palm after George Washington / "bearing threads or filaments" (filamentous leaf edges)
Washingtonia robusta - Mexican fan palm after George Washington / "of hard wood" or "strong"
Weigela florida - old fashioned weigela after von Weigel, German botanist / flowering Latin "flos" (flower)
Wisteria floribunda - Japanese wisteria after Caspar Wistar, American anatomy professor / flowering profusely
Wisteria frutescens - American wisteria after Caspar Wistar, American anatomy professor / shrubby
Wisteria sinensis - Chinese wisteria after Caspar Wistar, American anatomy professor / of China
Wollemia nobilis - Wollemi-pine After the Wollemi Australian National Park, where it was discovered in 1994. / Usually regal, renowned - but in this case after David Noble, discoverer of the tree.
Xanthorhiza simplicissima - yellowroot Greek "xanthos" (yellow) and "rhiza" (root) / Latin for most simple (unbranched)
xHesperotropsis leylandii - Leyland cypress Latin name for Cupressus sempervirens and Greek "kuparissos" (cypress) / crossed by Leyland
Yucca angustissima - narrowleaf yucca from the Carib name for cassava / narrow leaves
Yucca baccata - banana yucca from the Carib name for cassava / berry-like fruits
Yucca brevifolia - Joshua tree from the Carib name for cassava / short leaves
Yucca elata - soaptree yucca from the Carib name for cassava / Latin "elat" (high or lofty; proud)
Yucca filamentosa - yucca from the Carib name for cassava / filamented
Yucca gigantea - giant yucca from the Carib name for cassava / large
Yucca glauca - soapweed yucca from the Carib name for cassava / white
Yucca schidigera - Mojave yucca from the Carib name for cassava / bearing a splinter of wood - a reference to leaf fibers
Yucca torreyi - Torrey's yucca from the Carib name for cassava / after botanist John Torrey
Zanthoxylum americanum - common pricklyash Greek "zanthos" (yellow) and "xulon" (wood) / of America
Zanthoxylum clava-herculis - pricklyash Greek "zanthos" (yellow) and "xulon" (wood) / Latin "clava" (club-shaped) and Hercules - another common name for this is Hercules club.
Zelkova serrata - Japanese zelkova Caucasian name / serrate (leaves)
Ziziphus obtusifolia - lotebush an Arabic name / blunt-leaves
Ziziphus zizyphus - jujube an Arabic name / an Arabic name
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