Herbs perennial. Roots terete. Flowering stems erect or ascending, or low and spreading, much branched from base, 15–60 cm tall, together with petioles densely appressed villous or sericeous-pilose. Radical leaves 5–20 cm including petiole; stipules dark brown, membranous, subglabrous; leaf blade palmately 3–5-foliolate; leaflets adaxially green, oblong-lanceolate or obovate-lanceolate, 1.5–10 × 1–2 cm, abaxially densely white tomentose, appressed villous on veins, adaxially densely appressed villous, sometimes glabrescent, base cuneate, margin revolute, 2–8-parted to 2–8-fid on each side, apex acute or acuminate; segments triangular-lanceolate or oblong-lanceolate, 1–3 mm wide, apex acute or acuminate; cauline leaves: stipules green, ovate-lanceolate, herbaceous, abaxially white tomentose, margin entire, rarely dentate. Inflorescence corymbose-cymose, laxly few or many flowered. Flowers 0.8–1 cm in diam.; pedicel slender, 0.8–1.5 cm, tomentose. Sepals triangular-ovate or ovate-lanceolate, apex acuminate; epicalyx segments lanceolate or linear, shorter than sepals, apex obtuse or acute. Petals yellow, obovate, slightly longer than or nearly 2 × as long as sepals, apex emarginate or rounded. Style subterminal, base thickened; stigma slightly dilated. Achenes rugose. Fl. and fr. Jun–Sep.
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