Rhizome ascending, short, 5--6 mm in diam. Leaves 3--9; petiole 5--15(--20) cm, sparsely puberulent or glabrous, base sheathing; leaf blade undivided or 3--5-lobed, broadly ovate or cordate-ovate, 3--8 × 2--8(--10) cm, sparsely villous, base deeply cordate, margin irregularly dentate, apex acute or acuminate. Scapes 1 or 2, 15--40 cm, sparsely villous or subglabrous; cyme 3--7(--10)-flowered. Involucral bracts 3--9, sessile; bract blade 3-lobed or undivided, oblong, 0.6--1.4 cm, densely pubescent, apex acute. Pedicel 2--4 cm, densely puberulent. Sepals 5, white, obovate, 5--10 × 2--6 mm, abaxially sparsely puberulent, basal veins 3--5, vein anastomoses 3--5. Stamens 2--3 mm; filament filiform; anther ellipsoid or cylindric, ca. 1 mm, apex rounded. Pistils ovoid, subglabrous. Achene body curved, rhombic-obovoid, ca. 2 × 1 mm, longitudinally 1-ribbed on both surfaces; style curved, ca.1 mm. Fl. Feb--Apr.
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