Plants ± tufted. Caudex branches stout, not columnar, not sheathed with marcescent whole leaves. Stems ascending to erect, (0.3–)0.5–3(–4) dm, lengths 1.5–2.5(–4) times basal leaves. Basal leaves (1–)3–10(–15) cm; petiole (0.5–)1–6(–10) cm, long hairs usually absent, sometimes sparse to common (less so than cottony hairs), ± appressed, 1–2 mm, soft, smooth, short-crisped hairs absent or obscured, cottony hairs abundant to dense ?sometimes sparse with age?, glands absent, sparse, or obscured; leaflets overlapping, central obovate, 0.5–2(–4) × (0.2–)0.4–1.2(–2) cm, subsessile, base cuneate, margins slightly revolute, distal ± 3/4 incised (1/4–)1/3–1/2 to midvein, teeth (2–)3–5(–6) per side, ± approximate, surfaces dissimilar, often strongly so, abaxial ± white, long hairs 0.8–1.2 mm, cottony-crisped hairs dense, adaxial usually green, sometimes grayish green, long hairs sparse to abundant, short-crisped hairs sparse to common. Cauline leaves 0–1. Inflorescences 1–5(–7)-flowered. Pedicels 1–4 cm in flower, to 5 cm in fruit. Flowers: epicalyx bractlets narrowly to broadly lanceolate or elliptic, (2–)4–7 × 0.6–1.7 mm, usually 1/4–1/2 as wide as sepals, margins flat, red glands usually absent, sometimes sparse, inconspicuous; hypanthium (2–)3–4 mm diam.; sepals (2.5–)4–8 mm, apex acute; petals (3–)4–8 × (3–)5–9 mm, slightly longer than sepals; filaments 0.9–1.2 mm, anthers 0.5 mm; carpels 20–40, apical hairs absent, styles narrowly columnar or columnar-tapered, strongly papillate-swollen at very base, rarely in proximal 1/5–1/3, 0.7–1.2 mm. Achenes 1.1–1.5 mm. 2n = 56, 63; 28, 42, 49, 70 (Asia, Europe).
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Herbs perennial. Roots terete. Flowering stems erect or ascending, 5–25 cm tall, together with petioles white tomentose. Radical leaves 1.5–8 cm including petiole; stipules brown, membranous, abaxially sparsely pilose or glabrescent; leaf blade 3-foliolate; leaflets sessile or sometimes terminal one shortly petiolulate, ovate, obovate, or elliptic, 1–2 × 0.8–1.3 cm, abaxially white tomentose, inconspicuously veined, adaxially appressed pilose, base rounded or broadly cuneate, margin obtusely 3–6(or 7)-crenate or (6 or)7–14-serrate on each side, apex obtuse or acute; cauline leaves 1 or 2; stipules green, ovate, herbaceous, abaxially densely white tomentose, margin usually entire, rarely serrate; leaflets smaller than those of radical leaves. Inflorescence terminal, cymose, few flowered, rarely a solitary flower. Flowers 1–1.8 cm in diam.; pedicel 1–2 cm, white tomentose. Sepals triangular-ovate, apex acuminate or acute; epicalyx segments linear-lanceolate, shorter than sepals, abaxially spreading sericeous-pilose, apex obtuse. Petals yellow, obovate, apex emarginate. Style subterminal, base thickened and papillate, or inconspicuously thickened; stigma dilated. Achenes smooth. Fl. and fr. May–Sep.
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