Description from Flora of China
Shrubs climbing. Branchlets grayish brown to purplish brown, villous, with sparse, slightly curved small prickles, sometimes with glandular hairs. Leaves simple; petiole 3–4(–6) cm, villous, with intermixed long glandular hairs and sparse, slightly curved minute prickles; stipules caducous, free, small, 4–6 mm, margin laciniate, lobes linear, with soft hairs and intermixed glandular hairs; blade ovate to narrowly ovate, 6–8 × 2–5 cm, palmately 5-veined, lateral veins 4 or 5 pairs, abaxially densely gray tomentose, with intermixed long soft hairs and glandular hairs to 2–3 mm along veins, adaxially villous, with intermixed glandular hairs along veins, base cordate, margin undulate-lobed, lobes obtuse, irregularly coarsely sharply serrate, apex obtuse to acute. Inflorescences terminal, cymose panicles, sometimes subcorymbose, to 25 cm; rachis and pedicels densely villous, with intermixed brownish purple long glandular hairs; bracts 3–5 mm, laciniate, villous, with intermixed glandular hairs. Pedicel 5–10 mm. Flowers 1–1.2 cm in diam. Calyx brownish red, villous, with long brownish purple glandular hairs; tube shallowly cupular; sepals erect in fruit, ovate to ovate-lanceolate, 8–11 × 2–5 mm, margin entire, apex acuminate to caudate. Petals white, small, inconspicuous, much shorter than sepals, narrow. Stamens many, longer than petals and shorter than sepals; filaments yellowish, linear. Pistils ca. 15–20, shorter than stamens, glabrous. Aggregate fruit red when immature, purplish black at maturity, 7–10 mm in diam., with few drupelets. Fl. Jun–Aug, fr. Sep–Oct.
This species is used medicinally. The fruit are edible.
Slopes, forests, thickets, roadsides; Low elevations. Guangxi, Guizhou, Yunnan [Vietnam].