Herbs perennial. Roots usually branched. Flowering stems tufted, erect or ascending, 10–30 cm tall, together with petioles white tomentose and pilose. Radical leaves 2–10 cm including petiole; stipules brown, membranous, abaxially pilose; leaf blade pinnate with 2 or 3 pairs of leaflets; leaflets opposite, at intervals of 3–5 mm, sessile or subsessile, adaxially green, obovate or obovate-elliptic, 0.5–2.5 × 0.3–1.5 cm, abaxially white lanate, appressed villous on veins, adaxially appressed pilose, base cuneate, margin obtusely or acutely serrate, or pectinately parted, apex obtuse; teeth oblong or segments fasciated ligulate; cauline leaves: stipules green, lanceolate or ovate-lanceolate, herbaceous, abaxially white tomentose and pilose, margin entire, apex acuminate; leaf blade pinnate with 2 pairs of leaflets, or 3-foliolate. Inflorescence cymose, laxly many flowered. Flowers 1–1.5 cm in diam.; pedicel 1.5–2.5 cm, white tomentose. Sepals ovate-lanceolate or oblong-ovate, apex acuminate; epicalyx segments lanceolate or elliptic-lanceolate, nearly equaling or rarely slightly shorter than sepals, abaxially pilose. Petals yellow, obovate, 0.5–1 × as long as sepals, apex emarginate. Style subterminal, base slightly thickened; stigma dilated. Achenes smooth. Fl. and fr. Jun–Sep.
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