A narrow, pyramidal tree to 15 m tall. Buds red, curved, resinous. Young shoots angular, sticky red, slightly pendulous. Leaves more or less oval, 8-12 cm long, thick, lobed to wavy-edged, grey to bluish below and occasionally with rusty hairs, strongly double-toothed or lobed, margin turned under; veins pairs mostly 12-15. Leaf stalk 1.5-3 cm long. Flowers in spring. Fruits in groups of 6-8. [A. oregona Nutt.]
Alaska to California
NSW: Blue Mountains Botanic Garden Mount Tomah.
Source: (1997). Betulaceae. In: . Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.