Distribution: Alaska to Oregon, east of the Cascades except in northwest Washington, east to the Atlantic coast
Habitat: Moist, open to dense woods, low to moderate elevations
Flowers: March - May
Growth Duration: Perennial
Conservation Status: Not of concern
Monoecious, deciduous small tree 15-20 m. tall, the young twigs puberulent and covered with flattened glands that are more or less peltate and not at all resinous; older wood from cherry to chalky-white and peeling.
Leaves alternate, the blades narrowly ovate to nearly rotund, 4-7 cm. long, once- or twice-serrate, occasionally shallowly lobed, often glabrous on the greener upper surface, pubescent beneath, with tufts of stiff hairs in the axils of the larger lateral veins.
Staminate catkins elongate and pendulous, 1-4 per cluster; pistillate catkins erect, 3-5 cm. long, borne singly, the naked flowers subtended with a 3-lobed bract 5-7 mm. long, with marginal hairs.
Samara, the wings as broad as the nutlet.