1 Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China. duanlei@scbg.ac.cn.
2 South China National Botanical Garden, Guangzhou, 510650, China. duanlei@scbg.ac.cn.
3 Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China.
4 South China National Botanical Garden, Guangzhou, 510650, China.
5 Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China. h.f.chen@scbg.ac.cn.
6 South China National Botanical Garden, Guangzhou, 510650, China. h.f.chen@scbg.ac.cn.