1. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, Peopleʼs Republic of China, Scientific Research Center, Chengdu Medical College, Chengdu 610083, Peopleʼs Republic of China, and Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, Peopleʼs Republic of China