长茎毛茛 chang jing mao gen

Ranunculus pulchellus var. longicaulis Trautvetter, Bull. Soc. Imp. Naturalistes Moscou 33(1–2): 68. 1860, based on R. longicaulis C. A. Meyer in Ledebour, Fl. Altaic. 2: 308. 1830, not Ledebour ex A. Sprengel (1828).

Stems 13--52 cm, glabrous for most part, sparsely puberulent only below flower. Basal leaves with blade undivided, ovate, narrowly elliptic, oblong, or linear-lanceolate. Stem leaves lanceolate-linear, undivided. Sepals 4--5 mm. Petals 4.5--6 mm. Fl. and fr. May--Aug.

Alpine meadows, by streams, swamps; 1700--4200 m. Gansu (Sunan Xian), NE Qinghai, Shanxi (Luya Shan), C and S Xinjiang, W Xizang (Rutog Xian) [Kazakhstan, Mongolia, Russia (Siberia)].