石蛇床 shi she chuang

Cnidium kamelinii V. M. Vinogradova, Novosti Sist. Vyssh. Rast. 25: 122. 1988.

Plants (20–)30–45(–60) cm. Basal leaf blade broadly ovate, 1-pinnatisect, 5–11 × 1.5–5 cm; pinnae broadly ovate, petiolulate, rigid, margin serrate, apex obtuse. Primary umbels 8–15 cm across; rays 25–40, unequal, rigid. Fruit 4–5.5 × 1.8–2.2 mm. Fl. and fr. Jul–Aug.

Stony schistose hillsides, river banks, streamsides; 2600–2900 m. N Xinjiang (Altay, Qinghe) [Mongolia].