Tufted or shortly rhizomatous perennial; roots fibrous-fleshy. Leaves with lamina ovate to deltate, 6–25 mm long, pinnately 3–5-pinnatisect, or with 5–7 leaflets, lobes or leaflets narrowly elliptic to lanceolate, entire, or ± obovate and 3-dentate to 3-lobed, ± glabrous to hirsute. Flowering stems 1-flowered, about as long as leaves or slightly longer at anthesis, ± glabrous to hirsute. Sepals 5, spreading, oblong-elliptic, c. 3–4 mm long, glabrous or sparsely hirsute below. Petals 5 (–7), elliptic to broadly obovate, 3–9 mm long, golden-yellow; nectary c. 1/5 petal-length above base, a shallow semilunar pit, rarely with a triangular fleshy lobe. Stamens 24–30. Pistils 10–20. Receptacle glabrous in stamen zone, hispid above. Achenes, ± flattened, elliptic-ovate, 2.7–3.5 mm long; beak tapered, 0.7–1.2 mm long, tip recurved.
Grows in bogs and swamps, often in periodically flooded places, but also in alpine heaths at 750–1400 m alt.
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