1. Guangdong Provincial Key Laboratory of Applied Botany South China Botanical Garden Chinese Academy of Sciences Guangzhou 510650 China
2. Center of Economic Botany Core Botanical Gardens Chinese Academy of Sciences Guangzhou 510650 China
3. College of Life Sciences University of Chinese Academy of Sciences Beijing 100049 China
4. College of Advanced Agricultural Sciences University of Chinese Academy of Sciences Beijing 10049 China
5. Agro‐food Science and Technology Research Institute Guangxi Academy of Agricultural Sciences Nanning 530007 China