Herbs perennial, dwarf, 10–20 cm tall. Stems brownish or dark purplish red, creeping, rooting at nodes, thinly villous, intermixed bristly or stipitate glandular. Leaves compound, 3-foliolate; petiole 4–7 cm, slender, thinly villous, sparsely bristly and stipitate glandular, petiolule of leaflets 2–5 mm; stipules free, ovate-oblong or obovate, 6–9 mm, basally attenuate, apex pectinately lobed; lobes lanceolate, sometimes with 3–5 shallow teeth, thinly villous, stipitate glandular; blade of leaflets suborbicular, 2–3.5 cm in diam., both surfaces sparsely appressed villous, base broadly cuneate to rounded, lateral leaflets with distinctly oblique base, margin serrulate or doubly serrate, apex obtuse. Inflorescences terminal and axillary, 1.8–2.5 cm in diam., 1-flowered; bracts similar to stipules, 5–8 mm, palmately lobed; lobes lanceolate or linear, villous, stipitate glandular. Pedicel 2–4 cm, slender, villous, with purplish red bristles and stipitate glands. Calyx abaxially densely and finely villous, purplish red bristly, with stalked glands; sepals narrowly ovate-lanceolate or triangular-lanceolate, 1–1.8 cm × 3–5(–6) mm, margin entire, apex long caudate. Petals white, obovate-oblong or oblong, 1–1.5 cm × 4–6 mm, base gradually attenuate into claw, apex obtuse. Stamens many, shorter than petals; filaments slightly inflated. Pistils ca. 10–15, shorter than stamens, glabrous. Aggregate fruit red, globose, to 1 cm in diam., glabrous; pyrenes prominently rugose. Fl. Jun–Jul, fr. Aug–Sep.

Montane forests, ravines, waste fields; 2000--3500 m. Sichuan, Yunnan.