Tufted perennial; roots fibrous. Leaves mostly basal; petiole 2–12 cm long, spreading-pilose; lamina ovate to suborbicular in outline, 10–45 mm long, trifoliolate, the leaflets again once or twice dissected into linear or linear-lanceolate lobes, densely pilose below, almost glabrous above. Flowering stems 1-flowered, 5–25 cm high, pilose below, often appressed-hirsute above. Sepals 5, spreading, elliptic to obovate, 5–9 mm long, densely hirsute below. Petals 6–14, narrowly or broadly obovate-cuneate, 7–16 mm long, golden-yellow; nectary near petal-base, pocket-like, 0.3–1 mm long, with or without a ± ovate lobe to c. 0.8 mm long. Stamens 35–50. Pistils 40–100. Receptacle glabrous in stamen zone, hirsute above. Achenes ± flattened-ellipsoid, 2–2.5 mm long; lateral faces smooth; marginal ridges obscure; beak stout, 1.0–1.8 mm long, straight or incurved.
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