Herbs perennial. Roots fibrous, slightly thickened above. Stems 1--5, 4.5--27 cm, puberulent, branched or simple. Basal leaves 2--5; petiole 1.5--9.5 cm, sparsely puberulent or subglabrous; blade 3-sect or 3-partite, sometimes 3-cleft to near middle, pentagonal or reniform, 0.5--3.5 × 0.7--4.2 cm, papery, often glabrescent, base usually cordate, central segment obovate or cuneate-obovate, 3-lobed or 3-dentate, rarely entire; lateral segments obliquely flabellate, unequally 2-cleft. Stem leaves short petiolate or sessile, 3-sect. Flowers solitary or 2 or 3 in a terminal monochasium, 0.9--1.5 cm in diam. Pedicel 1--12 cm, puberulent. Receptacle puberulent or glabrous. Sepals 5, elliptic-ovate or elliptic, 2.5--5.5 mm, abaxially yellowish pubescent. Petals 5, obovate or broadly obovate, 5--8 × 3.2--7 mm, nectary pit without a scale, apex rounded. Stamens numerous; anthers ellipsoid or oblong. Aggregate fruit ovoid or narrowly ovoid, 5--7 × 4--5 mm. Achene obliquely obovoid, 1.7--2 × 1--1.5 mm, puberulent or glabrous; style persistent, 0.6--1 mm.
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