大叶柴胡(原变种) da ye chai hu (yuan bian zhong)

Bupleurum leveillei H. de Boissieu; B. longiradiatum f. leveillei (H. de Boissieu) Kitagawa.

Plants 80–150 cm. Upper leaves long-ovate or broadly lanceolate, base cordate and clasping. Fruit dark brown, glaucous.

Forests, mountain slopes; 200–900 m. Gansu, Heilongjiang, Jilin, Liaoning, Nei Mongol [Japan, Korea, SE Russia].

The endemic Bupleurum longiradiatum f. australe R. H. Shan & Yin Li (Acta Phytotax. Sin. 12: 269. 1974) is recorded from wet valleys in shady woods or grasslands at 500–1400 m in Anhui, Jiangxi, Hubei, Hunan, and Zhejiang. This form is distinguished by having taller stature, upper leaves lanceolate or narrowly obovate, with base tapering and cuneate, and chromosome number n = 6*.