Stems 2-7 dm, sparsely hirsute, with few branches and fls; lvs all petioled except the uppermost, broadly reniform or rotund, 3-cleft to below the middle, ±pilose; pet pale yellow, 3.5-6 mm, narrowly oblong-obovate, about equaling the sep; achenes very flat, nearly rotund, 2 mm, sharply margined; beak firm, hooked or coiled, 1 mm; 2n=32. Moist or dry woods; Que. and Me. to n. Minn., s. to Ga., Miss., and Okla. Apr.-June.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Varieties 2 (1 in the flora): e North America; West Indies.
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