Shrubs or trees, to 7 m tall; branches brownish black, densely pubescent. Petiole 1–2 cm, slightly expanded at base, sparsely pubescent; leaf blade oblong-lanceolate to oblanceolate, 5–15 × 1.5–6 cm, papery to thinly leathery, pubescent, abaxially with fine appressed trichomes when young, old leaves only sparsely pubescent on midvein and lateral veins, veins slightly raised abaxially, slightly impressed adaxially, base cuneate, margin revolute, with 8–14 pairs of inconspicuous teeth on upper half, apex acuminate. Staminate inflorescence paniculate, 5–6 cm; rachis and pedicels sparsely pubescent; bracteole 1 per pedicel, ovate-lanceolate, membranous. Carpellate inflorescences 1–2 cm; bracteole 2 per pedicel, linear-lanceolate, membranous, pubescent. Staminate flowers: calyx 4-dentate; petals green, ovate, ca. 2–2.5 × 2–2.5 mm, margin fringed with glandular trichomes apically, apex caudate for 1–1.5 mm; stamens ca. 1.2 mm. Carpellate flowers: calyx and petals similar to those in staminate flowers; style short, thick; stigma capitate, leaning to one side; ovary cylindrical, pubescent with fine trichomes. Fruit cylindrical, 1.2–1.4 × 0.8–1 cm, crowned by persistent disk, style, and stigma. Fl. Feb–Mar, fr. Oct–Dec.

Forests; 1400–2800 m. Yunnan.