Shrubs to 2 m tall. Branchlets reddish, glabrous or subglabrous; buds purple-red, long ovoid, with 3 or 4 scales slightly pubescent at margin, apex acuminate. Stipules ovate or broadly so, herbaceous, subglabrous on both surfaces, margin serrate, ciliate, apex acute; petiole 5–10 mm, slightly pubescent; leaf blade elliptic-ovate to triangular-ovate, 7–12 × 5–7 cm, abaxially pubescent on veins, adaxially glabrous or sparsely pubescent, base truncate or subcordate, margin 3(–5)-lobed, doubly serrate, apex acuminate or caudate. Panicle terminal or axillary, 3–5 cm in diam., many-flowered; peduncle and pedicels glabrous or slightly pubescent. Flowers ca. 4 mm in diam.; pedicel ca. 5 mm. Hypanthium campanulate, 3–5 mm, abaxially densely pubescent. Sepals triangular, nearly equaling hypanthium, pubescent on both surfaces, margin entire, apex acuminate. Petals white, obovate, ca. 2 mm. Stamens ca. 20. Ovary cylindric, wholly pubescent; ovules 3–5. Follicles long ovoid. Seeds ovoid. Fl. Jul–Aug, fr. Sep–Oct.

Open forests, forest margins on slopes; ca. 2000 m. Yunnan.