Gentiana triflora
 Gentiana triflora (三花龙胆 san hua long dan in Chinese called Clustered Gentian in English) is a tall flowering perennial plant in the genus Gentiana native to higher-elevation (600-1000 m) meadows and forests of China (Hebei Heilongjiang Jilin Liaoning Nei Mongol) Mongolia Eastern Russia Korea and Japan. Gentian blue petals predominantly contain the unusually blue and stable anthocyanin gentiodelphin (delphinidin 3-O-glucosyl-5-O-(6-O-caffeoyl-glucosyl)-3′-O-(6-O-caffeoyl-glucoside)).