Gentiana macrophylla (large leaf gentian) is called Qin Jiao in Chinese. Synonyms include G. straminea, G. crassiaulisor, and G. dahurica. It is found in China, Kazakhstan, Mongolia and Russia. 
Gentiana macrophylla is known in traditional Chinese medicine for its medicinal properties in treating rheumatoid arthritis.
Chemical constituents include gentianine, gentianidine, gentiopicroside, gentianol.Template:Cn
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