形态特征：Perennial herbs. Rhizome more or less vertical， robust. Basal leaves ca. 7，long petiolate; blades pa- pery，pentagonal，1. 6 - 3. 2 × 3 - 7 cm，at base cordate，adaxially subglabrous，abaxially on nerves sparsely pubescent，3-sect，central segment broadly rhombic，3-fid，lobes at margin lobulate，with lobules 1-denticulate or entire，lateral segments obliquely fla- bellate，at base cuneate，unequally 2-parted，second- ary lobes 2-3-lobed，on margin lobulated and dentic- ulate，nerves adaxially flat，abaxially prominent; pet- ioles 2-10 cm long，with a few hairs. Scape solitary， 9-15 cm tall，only near involucre with a few hairs; cyme umbel-like，2-5-flowered; involucral bracts 3- 4，unequal in size，subsessile，pentagonal or broadly rhombic，2.2-3.5 × 1.4-4 cm，3-parted，lobes 2- 3-lobed，margin lobulated; pedicels 4 - 8 cm long， subglabrous. Flower: sepals 5，white，oblong，1. 2 - 1.8 × 0.5-0.6 cm，glabrous，apex rounded. Stamens ca. 60，glabrous; filaments filiform，3.5-5 mm long; anthersbroadlyellipticoroblong，1×0.25-0.8mm， apex obtuse. Carpels ca. 11; ovaries sessile， ellipsoid，2-2.6 × 1-1.5 mm，slightly compressed， ventrally and dorsally densely puberulous ( hairs 0.3- 0.5 mm long) ; styles 0. 1 - 0. 2 mm long，glabrous; stigmas ellipsoid，0. 3 - 0. 4 mm long. Young achenes broadly ellipsoid，ca. 5 × 3 mm，puberulous; persis- tent stigmas 0.3-0.4 mm long.
