1. State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany, Chinese Academy of Sciences Beijing 100093 China
2. University of Chinese Academy of Sciences Beijing 100049 China
3. Institute of Marine Biochemistry Vietnam Academy of Science and Technology Hanoi 10072 Vietnam
4. Sino‐Africa Joint Research Center Chinese Academy of Sciences Wuhan 430074 China
5. College of Science and Engineering James Cook University Townsville Queensland 2011 Australia
6. National Herbarium of New South Wales Royal Botanic Gardens and Domain Trust Sydney, Mrs Macquaries Road Sydney 2000 New South Wales Australia
7. Division of Evolution, Ecology and Genetics, Research School of Biology Australian National University Canberra ACT 0200 Australia
8. Beijing Botanical Garden Institute of Botany, Chinese Academy of Sciences Beijing 100093 China
9. Royal Botanic Gardens Kew, Richmond Surrey TW9 3AB United Kingdom
10. Department of Botany National Museum of Natural History, Smithsonian Institution P.O. Box 37012 Washington, D.C 20013‐7012 U.S.A.