Herbs perennial. Roots fibrous, slightly thickened above. Stems 8--15 cm, glabrous below, puberulent above, branched. Basal leaves ca. 4; petiole 3--5.2 cm, glabrous; blade 3-lobed, suborbicular or orbicular-ovate, 0.8--1.2 × 0.8--1.4 cm, leathery, abaxially glabrous, adaxially sparsely puberulent or glabrous, base rounded, broadly cuneate, or subcordate, margin with a few rounded teeth. Stem leaves few, lower ones similar to basal leaves, short petiolate, upper ones sessile, 3-sect, segments linear. Flowers solitary, terminal, 1.4--1.8 cm in diam. Pedicel 1--5 cm, puberulent. Receptacle puberulent. Sepals 5, elliptic, 4--5 cm, abaxially puberulent. Petals 5(or 6), broadly obovate or obovate, 7--9 × 4.5--6 mm, nectary pit without a scale, apex subtruncate or rounded. Stamens numerous; anthers oblong. Carpels numerous; ovary puberulent; style longer than ovary. Fl. Jun.
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