Description from
Flora of China
Shrubs semievergreen, 2–5 m tall, much branched. Branchlets robust, dark grayish brown, terete, initially densely yellow pubescent, glabrous when old. Petiole thick, 4–6 mm, initially yellow pubescent, later glabrous; stipules mostly caducous, lanceolate, 4–5 mm, puberulous; leaf blade elliptic or narrowly elliptic to ovate, (1.5–)3–6 × 1.5–2.5 cm, lateral veins 5–8 pairs, abaxially initially slightly pubescent or tomentose, glabrescent, with bloom, adaxially glabrous, base broadly cuneate to rounded, apex acute or obtuse. Compound corymbs to 3–5 cm, densely 6–12- or 40–50-flowered or more; rachis and pedicels pubescent or tomentose; bracts caducous, subulate, 2–3 mm, slightly pubescent. Pedicel 2–4 mm. Flowers 7–8 mm in diam. Hypanthium campanulate, abaxially pilose. Sepals triangular, 1–2 × 1.5–2.5 mm, apex acute. Petals spreading, white, suborbicular or broadly obovate, 3–4 mm, adaxially puberulous near base, base shortly clawed, apex obtuse, rarely emarginate. Stamens 20, ca. as long as petals. Ovary puberulous apically; styles 2, free, nearly equalling or lower than stamens. Fruit reddish yellow, ovoid to obovoid, 6–7 mm in diam., glabrous when mature, pyrenes usually 2. Fl. Jun–Jul, fr. Sep–Oct.
Mixed forests, thickets, clearings, mountain regions and valleys; 1200--3000 m. Guangxi, Guizhou, Sichuan, Yunnan.