1. Center for Integrative Conservation, Xishuangbanna Tropical Botanical GardenChinese Academy of SciencesMengla 666303 Yunnan China
2. Center of Conservation Biology, Core Botanical GardensChinese Academy of SciencesMengla 666303 Yunnan China
3. Southeast Asia Biodiversity Research InstituteChinese Academy of SciencesYezin Nay Pyi Taw 05282 Myanmar
4. Germplasm Bank of Wild Species, Kunming Institute of BotanyChinese Academy of SciencesKunming 650201 China
5. State Key Laboratory of Systematic and Evolutionary Botany, Institute of BotanyChinese Academy of SciencesBeijing 100093 China
6. Sino‐African Joint Research CenterChinese Academy of SciencesWuhan 430074 China