Shrubs to 5 m tall; bark black-gray. Branchlets brown or yellow-brown, densely villous. Petiole 0.2-2 cm, densely villous; leaf blade ovate, broadly ovate, or ovate-elliptic, 1.5-6 × 1-5 cm, abaxially villous, sometimes resinous punctate, sparsely bearded in axils of lateral veins, adaxially densely villous when young, base rounded or broadly cuneate, margin irregularly and doubly dentate-serrate, apex acute or obtuse; lateral veins 8 or 9(or 10) on each side of midvein. Female inflorescence subglobose, rarely oblong, 1-2 × 0.6-1.5 cm; peduncle 1-2 mm; bracts 5-9 mm, pubescent, ciliate, 3-lobed, lobes reflexed, middle lobe lanceolate, lateral lobes spreading, ovate, 1/3-1/2 as long as middle lobe. Nutlet obovate or ovate, with very narrow wings, sometimes horn-shaped at apex. Fl. May-Jun, fr. Jul-Aug.
Broad-leaved forests in mountain valleys, shaded, rocky mountain slopes; at elevations from 700-3,000 metres.
Can be grown by seedlings. Seeds needs stratification.
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