小柴胡(原变种) xiao chai hu (yuan bian zhong)

Bupleurum tenue Buchanan-Hamilton ex D. Don, Prodr. Fl. Nepal. 182. 1825, not Salisbury (1796).

Plants 50–80 cm, biennial; bracts usually 4; bracteoles 5, equaling or slightly exceeding the flowers.

Grasslands, sunny slopes, dry stony areas; 600–2900 m. Hubei, Guangxi, Guizhou, Sichuan, S Xizang, NW Yunnan [Bhutan, N India, Kashmir, Malaysia, Myanmar, Nepal, Pakistan, Sikkim, Thailand, Vietnam].