Basal leaves (3–)4–20(–40) × (1–)1.5–4(–7) cm; leaflets narrowly cuneate to obovate to flabellate, 5–30(–35) × 2–20(–30) mm, 1/3 as wide to wider than long, divided into linear or oblanceolate to obovate teeth or lobes, sparsely to ± densely short-villous or hirsute, sometimes glabrate. Cauline leaves 1–5(or 6). Flowers 5–12 mm diam.; epicalyx bractlets 1–3 mm, 1/2 length of to nearly equal to sepals; hypanthium 1–3 × 2–4 mm, 1/2 to nearly as deep as wide; sepals spreading to ± reflexed, narrowly to broadly lanceolate, (1.7–)2–4(–4.5) mm; petals 2–6(–6.5) mm; filaments 0.2–1.5 × (0.2–)0.4–0.6(–1) mm, anthers 0.4–0.6 mm; styles 0.9–1.5 mm. Achenes brown.
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