Codonopsis tangshen Oliv.

from China, Sichuan, Yanjingping (pictures 1, 2, 3 & 4)
in China, Sichuan, Pujigou, May 2007 (picture 5)
in China, Sichuan, Yanjingping, May 2007 (picture 6)

Description in Hook. Icon. pl. xx. (1891) t. 1966