Shrubs to 3 m tall. Branchlets red-brown, pubescent when young, glabrescent; buds not seen. Stipules ovate, 4–5 mm, herbaceous, subglabrous, margin with remote, stipitate glandular teeth, apex acuminate; petiole 5–8 mm, pubescent; leaf blade oblong or ovate-oblong, 4–5.5 × 2–4 cm, abaxially densely pubescent on veins, adaxially sparsely appressed pubescent, base subcordate, rarely truncate, margin irregularly doubly serrate and usually irregularly 5- or 6-lobed, apex long caudate-acuminate. Raceme 4–5.5 cm, 4- or 5-flowered; peduncle and pedicels densely pubescent. Hypanthium cylindric, abaxially densely pubescent. Sepals triangular-lanceolate, slightly shorter than or equaling hypanthium, pubescent on both surfaces. Petals not seen. Stamens numerous. Ovary cylindric, pubescent; ovules 2–4. Follicles cylindric, pubescent. Seeds cylindric. Fl. Jun–Jul.

1700--2600 m. NW Yunnan (Fugong Xian).