Trees to 15 m tall; bark gray. Branchlets dark purplish, slender, sparsely white pubescent or not. Petiole 5-10 mm, sparsely pubescent or glabrescent; leaf blade elliptic-lanceolate, oblong-lanceolate, or ovate-lanceolate, rarely elliptic or oblong, 4-8 × 1.5-2.5 cm, abaxially densely villous along veins, bearded in axils of lateral veins, adaxially densely pubescent along midvein, sparsely villous elsewhere when young, base broadly cuneate or subrounded, margin doubly and regularly setiform serrate; lateral veins 16-20 on each side of midvein. Female inflorescence 3-6 × 1-2 cm; peduncle ca. 2 cm, slender, sparsely pubescent; bracts broadly semiovate, 0.8-1.5 cm × 4-6 mm, sparsely villous along reticulate veins, outer margin remotely dentate, without basal lobe, inner margin entire, with small, inflexed basal auricle, apex acute; veins 5. Nutlet broadly ovoid, 2-3 × 1.5-2.5 mm, sparsely pubescent, villous at apex, ribbed. Fl. May-Jun, fr. Jul-Sep.