Botanical name: Ranunculus nephelogenes Family: Ranunculaceae (Buttercup family)
Synonyms: Ranunculus affinis var. tibeticus
Spear-Leaf Buttercup is a perennial herb with stems 10-25 cm, branched or simple. Flowers are borne singly at branch-ends, 1-1.6 cm across. Receptacle is hairless or sparsely finely velvet-hairy. Sepals are 5, broadly ovate, 3.5-5 mm, below velvet-hairy. Petals are 5, obovate, 6-8 x 4-6 mm, tip rounded. Stamens are numerous, anthers narrowly oblong. Basal leaves are 4-9; leaf-stalk 1.2-10 cm, blade ovate, elliptic, oblong, lanceshaped, or lanceshaped-linear, 0.9-3.7 cm x 4-14 mm, hairless, base broadly wedge-shaped, or rounded, margin entire. tip somewhat blunt. Lower stem leaves are long or short stalked, lanceshaped or lanceshaped-linear; upper ones stalkless, lanceshaped-linear. Spear-Leaf Buttercup is found in the Himalayas, at altitudes of 1700-5200 m, in Gansu, Qinghai, Shanxi, Sichuan, S and C Xinjiang, Xizang, NW Yunnan Kazakhstan, Mongolia, Nepal, Pakistan, Siberia.
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