Herbs perennial, rhizomatous. Rhizomes prostrate, robust, terete. Flowering stems 10–35 cm tall, together with petioles appressed villous or sericeous. Radical leaves 2.5–25 cm including petiole; auricles of stipules membranous, connate from base to rounded apex; leaf blade non-interrupted pinnate with 10–21 pairs of leaflets; terminal leaflet narrowly or broadly ovate, narrowly obovate, ovate-lanceolate, oblong-lanceolate, or oblong, 0.5–3 × 0.3–1.5 cm, both surfaces densely silvery sericeous or adaxially only sparsely so, base decurrent on apical 2 or 3 pairs of leaflets, margin sharply or bluntly serrate or apex dentate; cauline leaves small; auricles of stipules herbaceous, margin incised parted or incised serrate; leaf blade with 1 or 2 pairs of leaflets. Inflorescence corymbose-cymose. Flowers 1–3.5 cm in diam.; pedicel 1–3.5 cm. Sepals triangular-ovate; epicalyx segments oblong to elliptic-lanceolate, margin entire or 2–4-parted. Petals yellow, broadly elliptic to obovate, apex rounded or retuse. Style lateral. Achenes not seen. Fl. and fr. May–Oct.
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