1. Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China
2. Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China, University of Chinese Academy of Sciences, Beijing 100049, China
3. Department of Environmental and Plant Biology, Ohio University, Athens, Ohio 45701-2979, U.S.A.
4. Department of Biology, University of Nebraska at Kearney, Kearney, Nebraska 68849, U.S.A.
5. Laboratory of Subtropical Biodiversity, College of Agriculture, Jiangxi Agricultural University, Nanchang 330045, Jiangxi, China
6. Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China;, Email: liuende@mail.kib.ac.cn
7. Department of Biology, University of Florida, Gainesville, Florida 32611, U.S.A.
8. Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611, U.S.A.
9. Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, China;, Email: hpeng@mail.kib.ac.cn