1. Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresources, College of Tropical Crops Hainan University Haikou Hainan 570228 China
2. Environment and Plant Protection Institute Chinese Academy of Tropical Agricultural Sciences Haikou Hainan 571737 China
3. Institute of Cellular and Molecular Botany University of Bonn D53115 Germany
4. Coconut Research Institute Chinese Academy of Tropical Agriculture Sciences Wenchang Hainan 571339 China
5. Huachuang Institute of Areca Research‐Hainan Haikou Hainan 570228 China