Description from Flora of China
Shrubs. Branchlets brown to purplish brown, terete, densely tomentose-villous, usually unarmed. Leaves simple; petiole 4–9 cm, tomentose, unarmed or with few small prickles; stipules caducous, free; blade broadly ovate, rarely suborbicular, 10–18 × 8–17 cm, palmately 5-veined, lateral veins 3 or 4 pairs, prominent abaxially, leathery, abaxially densely yellowish tomentose, soft hairy along veins, adaxially scabrous, glabrous, base cordate, margin 7–11-lobed; lobes triangular, margin irregularly sharply serrate, apex acute. Inflorescences terminal and axillary, cymose panicles, axillary ones smaller; rachis and pedicels densely yellowish tomentose-villous; bracts caducous, narrowly obovate, tomentose-villous, palmatipartite above middle, lobes lanceolate. Pedicel ca. 1 cm. Flowers 1–1.5 cm in diam. Calyx abaxially densely yellowish tomentose and soft hairy; sepals erect after anthesis, broadly ovate, apex acute, margins of outer sepals often pinnately laciniate; lobes linear. Petals white, narrowly obovate, slightly longer than or nearly as long as sepals, glabrous, base clawed. Stamens many; filaments broader toward base, glabrous. Pistils glabrous. Aggregate fruit red, subglobose, 0.8–1.2 cm in diam., glabrous, enclosed in persistent calyx; pyrenes conspicuously rugulose. Fl. Jun–Jul, fr. Aug–Sep.
Mountains. Low to medium elevations. W Sichuan.