Herbs perennial. Stems spreading, densely spreading yellow villous. Radical leaves 5–10 cm including petiole; auricles of stipules free (also those on lower cauline leaves), apex acute; petiole spreading yellow villous; leaf blade interrupted pinnate usually with 4 or 5 pairs of leaflets (on upper cauline leaves with 1–3 pairs); leaflets elliptic or obovate-oblong, 1–3 × 0.5–1.6 cm, abaxially pilose on veins, margin sharply incised serrate, apex subrounded or obtuse; upper cauline leaves: auricles of stipules green, herbaceous, margin acutely incised many serrate. Flower solitary; pedicel 1.5–4 cm, pilose, with 1–3 bracts. Sepals triangular-ovate, apex acuminate; epicalyx segments obovate, slightly shorter than sepals, margin 2-or 3-parted. Style lateral; stigma not dilated. Achenes ellipsoid, ca. 2 mm in diam., markedly papillate. Fr. Nov.
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