1. Key Laboratory of Economic Plants and Biotechnology, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, People’s Republic of China, Graduate University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China, Key Laboratory of Chemistry for Natural Products, Guizhou Province and Chinese Academy of Sciences, Guiyang 550002, People’s Republic of China, and College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, People’s Republic of China