Trees to 10 m tall; bark grayish green to grayish, furrowed. Branchlets yellowish brown or grayish brown, purplish brown when young, angled, yellowish villous. Buds purple, downy, viscid. Petiole terete, 4-7 cm, villous, glandular distally; leaf blade long ovate to broadly ovate, 14-16 × 6-11 cm, abaxially glaucous, sometimes with coarse, long hairs, adaxially dull green, both surfaces pilose along veins, base cordate, margin glandular serrulate or crenate-serrate, ciliate or glabrous, apex acuminate to long acuminate. Fruiting catkin to 22 cm; peduncle pilose; rachis purplish red, stout. Capsule globose-ovoid, glabrous or pilose, 4-valved, shortly stipitate or sessile.
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