Herbs perennial. Flowering stems 25–30 cm tall, densely canescent tomentose and villous. Radical leaves 10–18 cm including petiole; auricles of stipules connate from base to rounded apex; petiole densely white villous and white tomentose; leaf blade non-interrupted (rarely interrupted) pinnate with usually 19–27 pairs of leaflets; terminal leaflet oblong, 1–2 cm × 4–8 mm, abaxially densely white sericeous-villous on veins, base decurrent in apical 2 or 3 pairs of leaflets, margin regularly sharply many serrate; cauline leaves 1 or 2; auricles of stipules herbaceous, abaxially densely villous, margin entire or 1-or 2-serrate; leaf blade with 3–7 pairs of leaflets. Inflorescence corymbose-cymose. Flowers 2–2.5 cm in diam.; pedicel 3–5 cm, proximally with a serrate bract; bract abaxially densely grayish white tomentose and villous. Epicalyx segments ovate-lanceolate, apex acuminate. Petals yellow. Style lateral. Achenes smooth. Fr. Jul–Aug.
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