Description from Flora of China
Trees ca. 10 m tall. Branchlets dark gray, stout, initially rusty tomentose, glabrescent, much branched. Stipules caducous, not seen; petiole 1.5–3 cm, glabrous; leaf blade obovate or oblanceolate, 5–15 × 2–6 cm, leathery, midvein prominent on both surfaces, lateral veins 10–14 pairs, glabrous, base cuneate or broadly cuneate, margin sharply incurved serrate, entire near base, apex rounded or shortly acuminate. Panicle spreading, 6–7 cm in diam., many flowered; peduncle densely brown tomentose; bracts caducous, not seen. Pedicel short, 2–4 mm, densely brown tomentose. Flowers 1–1.5 cm in diam. Hypanthium cupular, densely brown tomentose. Sepals triangular, 3–4 mm, abaxially densely brown tomentose, apex obtuse. Petals white, obovate, 5–7 mm, brown tomentose, apex rounded-obtuse. Stamens 20. Ovary densely pubescent, 2- or 3-loculed, with 2 ovules per locule; styles 2 or 3, white villous basally. Pome brown, subglobose, 7–9 mm in diam., subglabrous; fruiting pedicel 3–5 mm, brown tomentose. Fl. May, fr. Jun–Jul.
Thickets on slopes. C Yunnan.