矮小柴胡 ai xiao chai hu

Bupleurum tenue Buchanan-Hamilton ex D. Don var. humile Franchet, Bull. Soc. Philom. Paris, sér. 8, 6: 118. 1894.

Plants 10–25 cm, annual, usually reddish throughout. Branches numerous, short. Leaves small, thick-papery, 1–3 × 0.15–0.3 cm.

Forest margins, mountain slopes, grasslands; 1100–2300 m. SW Sichuan, NW Yunnan [?Vietnam].

Records of this variety from Vietnam require confirmation.