云生毛茛 yun sheng mao gen

Herbs perennial. Roots fibrous, subequally thick. Stems (2--)10--25(--52) cm, usually glabrous for most part, sparsely puberulent above or near apex, rarely so basally, branched or simple. Basal leaves 4--9; petiole 1.2--10 cm, glabrous, rarely sparsely puberulent; blade sometimes 3-lobed or rarely 3-sect, ovate, elliptic, oblong, lanceolate, or lanceolate-linear, 0.9--3.7 cm × 4--14 mm, papery or rarely leathery, glabrous, base cuneate, broadly cuneate, or rounded, margin entire or rarely 1-dentate, apex subobtuse. Lower stem leaves long or short petiolate, lanceolate or lanceolate-linear; upper ones sessile, lanceolate-linear, undivided or rarely 3-sect. Flowers solitary, terminal, (0.8--)1--1.6(--2.3) cm in diam. Receptacle glabrous or sparsely puberulent. Sepals 5, broadly ovate, 3.5--5 mm, abaxially pubescent. Petals 5(--7), obovate, (4.5--)6--8(--9.5) × (3--)4--6(--9) mm, nectary pit without a scale, apex rounded. Stamens numerous; anthers narrowly oblong. Aggregate fruit ovoid or narrowly ovoid, 4--7 × 3--5 mm. Achene obliquely obovoid, 1.2--1.5(--2) × 1--1.2 mm, glabrous; style persistent, ca. 0.6 mm.

1700--5200 m. Gansu, Qinghai, Shanxi, Sichuan, S and C Xinjiang, Xizang, NW Yunnan [Kazakhstan, Mongolia, Nepal, Pakistan, Russia (Siberia)].