Twig Key

So far you have made the following choices...

It could be one of the species in the table below. Let's narrow our choices by examining the number of vascular bundle scars in the leaf scar.

Possible Matches:

Family Genus Species common name
Aceraceae Acer barbatum Florida maple
Aceraceae Acer buergeranum trident maple
Aceraceae Acer circinatum vine maple
Aceraceae Acer glabrum Rocky Mountain maple
Aceraceae Acer griseum paperbark maple
Aceraceae Acer macrophyllum bigleaf maple
Aceraceae Acer negundo boxelder
Aceraceae Acer nigrum black maple
Aceraceae Acer pensylvanicum striped maple
Aceraceae Acer platanoides Norway maple
Aceraceae Acer pseudoplatanus sycamore maple
Aceraceae Acer rubrum red maple
Aceraceae Acer saccharum sugar maple
Aceraceae Acer spicatum mountain maple
Caprifoliaceae Diervilla lonicera northern bush-honeysuckle
Caprifoliaceae Kolkwitzia amabilis beautybush
Caprifoliaceae Lonicera maackii Amur honeysuckle
Caprifoliaceae Sambucus canadensis American elderberry
Caprifoliaceae Symphoricarpos albus snowberry
Caprifoliaceae Symphoricarpos orbiculatus coralberry
Caprifoliaceae Viburnum acerifolium mapleleaf viburnum
Caprifoliaceae Viburnum alnifolium hobblebush
Caprifoliaceae Viburnum dentatum arrowwood
Caprifoliaceae Viburnum lentago nannyberry
Caprifoliaceae Viburnum nudum possumhaw viburnum
Caprifoliaceae Viburnum opulus European cranberrybush viburnum
Caprifoliaceae Viburnum plicatum doublefile viburnum
Caprifoliaceae Viburnum prunifolium blackhaw
Caprifoliaceae Viburnum rhytidophyllum leatherleaf viburnum
Caprifoliaceae Viburnum rufidulum rusty blackhaw
Caprifoliaceae Viburnum trilobum highbush-cranberry
Caprifoliaceae Weigela florida old fashioned weigela
Celastraceae Euonymus alatus winged euonymus
Celastraceae Euonymus americanus strawberry bush
Celastraceae Euonymus atropurpureus Eastern wahoo
Cercidiphyllaceae Cercidiphyllum japonicum katsuratree
Clusiaceae Hypericum spp. Saint Johnswort
Cornaceae Cornus amomum silky dogwood
Cornaceae Cornus florida flowering dogwood
Cornaceae Cornus kousa kousa dogwood
Cornaceae Cornus mas cornelian cherry dogwood
Cornaceae Cornus nuttallii Pacific dogwood
Cornaceae Cornus sericea red-osier dogwood
Hydrangeaceae Hydrangea arborescens wild hydrangea
Hydrangeaceae Hydrangea quercifolia oakleaf hydrangea
Loganiaceae Buddleia davidii butterfly-bush
Lythraceae Lagerstroemia indica crapemyrtle
Oleaceae Forsythia spp. forsythia
Oleaceae Fraxinus americana white ash
Oleaceae Fraxinus latifolia Oregon ash
Oleaceae Fraxinus quadrangulata blue ash
Oleaceae Syringa reticulata Japanese tree lilac
Oleaceae Syringa vulgaris common lilac
Taxodiaceae Metasequoia glyptostroboides dawn redwood


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