Gentiana macrophylla

Gentiana macrophylla, the large leaf gentian, is called qin jiao(秦艽) in Chinese. Synonyms include "G. straminea", "G. crassiaulisor", and "G. dahurica". It is found in China, Kazakhstan, Mongolia and Russia.
Chemistry.
Chemical constituents include gentianine, gentianidine, gentiopicroside, gentianol.