Herbs perennial. Roots fibrous, subequally thick. Stems 1.2--4 cm, puberulent above, simple or 1-branched. Basal leaves ca. 2; petiole 0.5--1.5 cm, glabrous or sparsely puberulent; blade occasionally 3-cleft to middle, rhombic-obovate or broadly rhombic, leathery, glabrous or abaxially sparsely puberulent, lobes narrowly ovate, 4--13 × 4--9 mm, 3-sect or 3-partite; segments linear-oblanceolate, narrowly oblong, or narrowly obovate, entire. Stem leaves short petiolate or sessile, 3-partite or 3-sect, rarely undivided. Flowers solitary, terminal, 0.8--1.6 cm in diam. Receptacle glabrous. Sepals 5, elliptic or ovate, 3--6 mm, abaxially sparsely puberulent. Petals 5, narrowly obovate to broadly obovate, 4.5--9 × 2.5--6.5 mm, nectary pit without a scale, apex rounded. Stamens 6--14 or numerous; anthers oblong. Carpels numerous; ovary longer than style, glabrous. Fl. Jun--Jul.
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