Ranunculus brotherusii var. tanguticus

Tibetan Buttercup is a perennial herb with stems 6-25 cm, finely velvet-hairy, branched. The name tanguticus comes from the Tangut region in Tibet. Basal leaves are 5-10 or more; leaf-stalk 1.5-5.5 cm, blade multiply dissected, ultimate lobes linear-lanceshaped or linear. Stem leaves are short stalked or stalkless, palmately 3-5-divided, segments narrowly linear. Flowers are borne at branch-ends, 2- or 3-flowers on long slender branches, bracts leaflike. Flowers are 0.8-1.9 cm in across. Flower-stalks are 1-6 cm, densely finely velvet-hairy. Receptacle finely velvet-hairy. Sepals are 5, narrowly elliptic, 3-4 mm. Petals are 5, obovate or obovate-elliptic, 4.5-8.5 x 2-6.5 mm, tip rounded or flat-rounded. Stamens are numerous; anthers oblong. Aggregate fruit is narrowly ovoid, 3-6.5 x 3-4 mm. Tibetan Buttercup is found at altitudes of 2200-4200 m, from Ladakh, Nepal to China. Flowering: June-October.