Perennial with a slender rootstock covered with petioles of dead leaves in the uppermost part. Stem 10-25 cm high, glabrous or with very few short hairs. Radical leaves with a long (up to 15 cm) petiole, blade biternate with cuneate, deeply bifid leaflets. Stem leaves 1-3, similar to the radical ones but shortly stalked. Pedicel upto 7 cm long. Flowers solitary, 15-18 mm in diameter. Sepals 5, ovate-elliptical, white, petaloid, with conspicuous veins. Petals 5, tubulose. Carpels 2-5, horizontally recurved in fruit, tapering towards both ends with conspicuous veins. Seeds blackish, smooth.