1. Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Inst. of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College CN‐100193 Beijing PR China
2. KU Leuven, Dept of Biology, Plant Conservation and Population Biology Leuven Belgium
3. Yunnan Forestry Technological College, Kunming Yunnan PR China