1. Key Laboratory of Economic Plants and Biotechnology, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, Yunnan, China
2. Department of Anthropology, Ethnobiology Laboratory, University of Florida, PO Box 117305, Gainesville, FL 32611–7305, USA
3. Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA 02111, USA
4. School of Life and Environmental Science, Minzu University, 27 Zhong-Guan-Cun South Avenue, Beijing, China