Twig Key

So far you have made the following choices...

• deciduous leaves
• opposite arrangement
• from a tree or shrub
• narrow leaf scars
• short or rounded end bud

It could be one of the species in the table below. Let's narrow our choices by examining the twig for grooves or angles.

My twig has prominent grooves or is otherwise angular	My twig is rounded in cross-section

Possible Matches:

Family	Genus	Species	common name
Aceraceae	Acer	campestre	hedge maple
Aceraceae	Acer	ginnala	Amur maple
Aceraceae	Acer	negundo	boxelder
Aceraceae	Acer	palmatum	Japanese maple
Aceraceae	Acer	rubrum	red maple
Aceraceae	Acer	saccharinum	silver maple
Calycanthaceae	Calycanthus	floridus	common sweetshrub
Caprifoliaceae	Abelia	x grandiflora	glossy abelia
Caprifoliaceae	Kolkwitzia	amabilis	beautybush
Caprifoliaceae	Lonicera	involucrata	twinberry
Caprifoliaceae	Lonicera	morrowii	Morrow honeysuckle
Caprifoliaceae	Symphoricarpos	albus	snowberry
Caprifoliaceae	Symphoricarpos	orbiculatus	coralberry
Caprifoliaceae	Viburnum	acerifolium	mapleleaf viburnum
Cercidiphyllaceae	Cercidiphyllum	japonicum	katsuratree
Ericaceae	Kalmia	angustifolia	sheep laurel
Hydrangeaceae	Hydrangea	arborescens	wild hydrangea
Hydrangeaceae	Hydrangea	paniculata	panicle hydrangea
Loganiaceae	Buddleia	davidii	butterfly-bush
Oleaceae	Forsythia	spp.	forsythia
Oleaceae	Fraxinus	americana	white ash
Oleaceae	Fraxinus	latifolia	Oregon ash
Oleaceae	Fraxinus	quadrangulata	blue ash
Oleaceae	Ligustrum	spp.	privet
Rutaceae	Phellodendron	amurense	Amur corktree

 

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