香根芹(原变种) xiang gen qin (yuan bian zhong)

Chaerophyllum aristatum Thunberg in Murray, Syst. Veg., ed. 14, 288. 1784; Chaerophyllum claytonii (Michaux) Persoon; Myrrhis aristata (Thunberg) Sprengel; M. claytonii Michaux; Osmorhiza amurensis F. Schmidt ex Maximowicz; O. aristata var. montana Makino; O. claytonii (Michaux) C. B. Clarke; O. japonica Siebold & Zuccarini; Scandix aristata (Thunberg) Makino; S. claytonii (Michaux) Koso-Poljanski; Uraspremum aristatum (Thunberg) Kuntze; Washingtonia claytonii (Michaux) Britton.

Leaf segments ovate-oblong, acute or obtuse, the basal pair undivided, usually deep-dentate.

Forests on mountain slopes, grassy places on stream banks; 200–1200 m. Widely distributed from NE to S China; also in S Gansu and S Shaanxi [Japan, Korea, Mongolia, Russia (Siberia); North America].