Perennial; rosettes tufted along a slender creeping stem. Lvs long-petiolate; lamina entire, spathulate or dilated, glabrous, 5-15 mm long. Fls solitary, 6-8 mm diam., on glabrous scapes. Sepals spreading, glabrous. Petals 4, yellow to purple, linear; nectary single, 0.5 mm from petal base, pocket-like. Receptacle glabrous. Achenes 5-15, hardly flattened, glabrous; body 0.8-1 mm long; beak straight or curved, c. 1 mm long.