Shrubs to 2 m tall. Branchlets red-brown, glabrous or nearly so; buds purple-red, long ovoid, with 4 or 5 scales slightly pubescent at margin, apex obtuse or acute. Stipules long ovate to linear-lanceolate, ca. 4 mm, membranous, subglabrous, margin serrate, apex acute; petiole 8–12 mm, sparsely pubescent or subglabrous; leaf blade ovate, triangular-ovate, rarely long ovate-elliptic, 3.5–6.8 × 3–5 cm, glabrous or subglabrous, base cordate or subcordate, margin usually with 1 or 2 pairs of lobes, sharply singly or doubly serrate, apex acuminate or caudate. Raceme 3–8 cm, 5–15-flowered; peduncle and pedicels pubescent. Flowers 4–5 mm in diam.; pedicel 3–5 mm. Hypanthium urceolate-campanulate, 2–5 mm, abaxially densely pubescent and stipitate glandular. Sepals triangular-lanceolate, shorter than hypanthium, pubescent on both surfaces, margin entire, apex acuminate. Petals pink, obovate, ca. 3 mm. Stamens ca. 20. Carpels 1–5; ovary cylindric, pubescent; ovules 4–6(–10). Follicles ellipsoid, pubescent. Seeds ovoid. Fl. May–Jun, fr. Jul–Sep.

Mixed forests, open forests; 1100--3500 m. C Sichuan, S Xizang, NW and SE Yunnan.