Herbs perennial. Roots fibrous, subequally thick. Stems 5.5--10 cm, puberulent, simple. Basal leaves 5--10; petiole 1.2--5 cm, sparsely puberulent or subglabrous; blade 3-partite, reniform or reniform-pentagonal, 0.6--1.2 × 1.2--2.1 cm, thinly leathery, glabrous or sparsely ciliolate, base cordate, central lobe rhombic-obovate, 3-lobed, lobules ovate, entire or 1-dentate; lateral lobes obliquely flabellate, unequally 2-cleft nearly to middle. Stem leaves 1 or 2, short petiolate or sessile, depressed pentagonal, 3-cleft or 3-sect. Flowers solitary, terminal, 1.5--2.4 cm in diam. Receptacle sparsely puberulent. Sepals 5, elliptic or broadly so, 6--6.5 mm, abaxially above sparsely appressed puberulent. Petals 5(or 6), obovate or broadly obovate, 7--12 × 6--10.5 mm, nectary pit without a scale, apex rounded-truncate. Stamens numerous; anthers oblong. Aggregate fruit subglobose, ca. 5 mm in diam. Achene slightly bilaterally compressed, obliquely ovoid, ca. 1.2 × 1.1 mm, glabrous; style persistent, ca. 0.8 mm. Fl. Jul.
Home