Shrubs scandent. Branchlets purplish brown, yellowish villous, with short glandular hairs, with sparse, curved prickles. Leaves simple; petiole 2.5–4 cm, yellowish tomentose, with intermixed short glandular hairs and sparse, curved prickles; stipules caducous, 5–8 mm, palmately lobed, lobes linear, with soft hairs and intermixed short glandular hairs; blade broadly ovate to orbicular-ovate, 7–11 × 6–8 cm, palmately 5-veined, lateral veins 4 or 5 pairs, thickly leathery or subleathery, abaxially densely yellowish tomentose, intermixed villous along veins, adaxially sparsely villous, with intermixed short glandular hairs, glandular hairs deciduous in age, base cordate, margin undivided or undulate, unevenly sharply serrate, teeth abruptly pointed, to 1–2 mm, apex acute to shortly acuminate or obtuse. Inflorescences terminal, pyramidal cymose panicles with spreading branches, to 20 cm, many flowered; rachis and pedicels yellowish villous, with intermixed short glandular hairs; bracts 4–6 mm, with soft hairs and intermixed short glandular hairs, apex lobed; lobes linear. Pedicel 1–2 cm. Flowers not more than 1 cm in diam. Calyx abaxially densely yellowish tomentose, with intermixed short glandular hairs; tube pelviform; sepals erect after anthesis, lanceolate, 6–10 mm, margin entire, apex acuminate. Petals elliptic, small, much shorter than sepals, glabrous, base clawed, apex acute. Stamens numerous, slightly shorter than or nearly as long as petals; filaments linear. Pistils 10–16, slightly longer than or nearly as long as stamens, glabrous. Aggregate fruit purplish red, less than 1 cm in diam., glabrous, with few drupelets. Fl. Apr–May, fr. Jun–Jul.

Broad-leaved evergreen forest margins, moist places along roadsides, thickets on sunny slopes; 1700--2000 m. S Yunnan.