Description from Flora of China
Shrubs scandent, to 1 cm tall. Branchlets brown, gray to yellowish gray tomentose, with soft hairs and sparse, curved minute prickles, rarely unarmed. Leaves simple; petiole 4–9 cm, gray to yellowish gray tomentose, with soft hairs and sparse, minute prickles; stipules subflabellate, pectinately lobed; lobes divided again, with lanceolate lobules, tomentose, soft hairy; blade broadly ovate to suborbicular, 12–20 × 10–18 cm, palmately 5-veined, lateral veins 5–7 pairs, prominent abaxially, abaxially densely yellowish gray tomentose, with long hairs along veins, adaxially pilose, densely so along veins, base cordate, margin distinctly 5-lobed, lobes apically acute or ± obtuse, unevenly densely serrate. Inflorescences terminal and axillary, terminal ones narrow cymose panicles or subracemes, axillary ones subracemes or flowers in clusters in leaf axils; rachis and pedicels densely gray or yellowish brown tomentose and villous; proximal bracts subflabellate, those on pedicel elliptic, margin entire or apically divided, thinly tomentose, soft hairy. Pedicel 1.5–3(–4) cm. Flowers 1–1.5 cm in diam. Calyx densely tomentose and villous; sepals broadly ovate, 4.5–5 mm and ca. as broad, margin entire or slightly lobed, apex acuminate. Petals white or yellowish white, obovate to suborbicular, ca. 5 mm and ca. as broad. Stamens many, glabrous; filaments linear. Pistils numerous; style and ovary glabrous. Aggregate fruit red, globose, 1–1.5 cm in diam. Fl. Jul–Aug, fr. Sep–Oct.
Broad-leaved evergreen forests in montane valleys, ravines, thickets on slopes; 600--2100 m. SE Xizang [NW India, Nepal, Sikkim].