Plant glabrous. Rhizome to 6 mm in diam. Stem 1, 7.5--30 cm, unbranched. Basal leaves few, withered at anthesis, 5--13-foliolate; petiole 2.5--7.5 cm; leaf blade pentagonal, 1.5--4 × 1.9--4.5 cm; lateral leaflets shortly petiolulate or sessile; leaflet blade obliquely ovate, rhombic-ovate, or obliquely obovate, unequal in size; central leaflet suborbicular-obovate to flabellate-obovate, 0.5--2.3 × 0.6--2.5 cm, base broadly cuneate, margin 3--5-lobulate and with 3--5 obtuse teeth, apex obtuse to rounded. Stem leaf 1, sometimes absent; petiole ca. 5 cm; leaf blade 3--6(--9) cm wide, similar in shape to basal leaves. Flowering stems (1--)3--8-flowered; lower bracts similar to leaves but smaller, upper bracts sessile, 3-sect. Flowers 1.1--2.3 cm in diam. Pedicel 2--7 cm. Sepals white, obovate-elliptic to obovate, 3.5--11 × 2--6 mm, apex obtuse. Petal limbs suborbicular, 1--3 mm, apex retuse or entire; claw longer than or nearly as long as limb. Stamens 20--45, 2--7 mm. Follicles obovoid-lanceolate, 0.7--1.5 cm; persistent styles 0.2--2 mm. Seeds 8--10, yellowish brown, globose, ca. 1 mm, smooth. Fl. Apr--May, fr. May--Jun.
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