Leaves 4--7; petiole 15--30 cm, subglabrous; leaf blade 3-sect, orbicular-ovate, 4--7 × 4--9 cm, abaxially glabrous, adaxially appressed puberulent; central segment shortly petiolulate, 3-parted, rhombic, lobes lobulate and dentate; lateral segments subsessile, unequally 2-parted, obliquely flabellate. Scape 70--120 cm, subglabrous; cyme 5--10-flowered. Involucral bracts 3; bract blade 3-parted, obovate or obovate-rhombic, 2.5--5 cm; lobes 3-lobulate, sparsely pubescent. Pedicel 5--12 cm, sparsely puberulent. Sepals 6--7, white, obovate, 15--25 × 7--10 mm, glabrous or subglabrous, basal veins 3--5, vein anastomoses 1--3. Stamens 3--6 mm; filament slightly dilated; anther ellipsoid. Ovary glabrous. Achene body broadly obovoid, ca. 6 × 4 mm, glabrous; style hooked, ca. 1 mm. Fl. Jun--Aug.
Home