1. Laboratory of Ethnobotany, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming Yunnan 650204, People’s Republic of China, Graduate University of Chinese Academy of Sciences, Beijing 100039, People’s Republic of China, Biology Institute of Shandong Academy of Sciences, Jinan 250014, Shandong, People’s Republic of China, and Institute of Tibetan Plateau Research at Kunming, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650204, People’s Republic of China