Small matted herb up to 4 cm. tall, ± clad in long hairs; stock very short, often emitting stolons and forming offset plants. Lvs all radical on slender ± decurved petioles up to 4 cm. long; sheath broad. Lamina broadly ovate in outline, 0·5-2 cm. long, us. 3-foliolate; lflts ternately to pinnately divided into linear segs (sts 3-lobed with broader lobes, or entire). Scape rather stout, up to 3 cm. long, 1-fld. Fls minute; sepals 5, membr., ovate; petals 5, oblong, gland 1 near base. Fruiting heads obscured by lvs; achenes 4-10, ovoid, somewhat turgid; style very minute.

2n = 48

Tufted perennial, occasionally forming offset rosettes, to 5 cm tall; rhizome 0. Lvs deltoid, finely 1-2-ternatifid with linear segments, hairy, 1-3 cm long. Fls solitary, c. 1 cm diam., on short, erect, hairy scapes. Sepals spreading, glabrous or with a few hairs. Petals 5, yellow, oblong-obovate; nectary single, c. 1 mm from petal base, with a semilunar scale. Receptacle hairy. Achenes few, hardly flattened, glabrous; body 1.2-2 mm long; beak curved at tip, 0.3-0.5 mm long.