1. Key Laboratory of Tropical Biological Resources of Ministry of Education, College of Tropical Crops Hainan University Haikou 570228 China
2. Department of Plant and Microbial Biology, College of Biological Sciences University of Minnesota Saint Paul MN 55108 USA
3. Systematics, Biodiversity and Evolution of Plants, Department of Biology I Ludwig‐Maximilians‐Universität München Munich 80638 Germany
4. Zhai Mingguo Academician Work Station Sanya University Sanya 572022 China
5. School of Integrative Plant Science, Section of Plant Biology and the L.H. Bailey Hortorium Cornell University Ithaca NY 14850 USA
6. BTI Computational Biology Center, Boyce Thompson Institute Ithaca NY 14853 USA
7. Department of Botany National Museum of Natural History, Smithsonian Institution Washington DC 20013‐7012 USA