Stoloniferous perennial. Leaves with petioles 15–35 (–160) mm long; lamina deeply trifoliolate, 6–10 (–20) mm long, 7–12 (–20) mm wide; leaflets simple and entire to tridentate or 3-lobed, ± elliptic to oblanceolate in outline, pilose to sparsely villous mainly about margin. Flowering stems 2.5–5 (–9) cm long. Sepals 5, erect, elliptic to ovate, 3.5–4 mm long, glabrous. Petals 5–8, elliptic to obovate, 7–8 mm long, golden-yellow; nectary ± 1/4 petal-length above base, pocket-like, 0.1–0.3 mm long, with lobe fleshy, rounded, free for up to 1/2 its length. Stamens 20–32. Pistils 10–14. Receptacle glabrous in stamen zone, a few hairs in achene zone. Achenes semiorbicular, 1.8–2 mm long, smooth with 2 or 3 lateral ridges; beak 0.6–0.8 mm long, recurved.
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