1. Key Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture (Hainan Key Laboratory for Research and Development of Natural Products from Li Folk Medicine), Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan, P. R. China
2. Key Laboratory of Protection and Developmental Utilization of Tropical Crop Germplasm Resources, Ministry of Education, College of Horticulture and Landscape Architecture, Hainan University, Haikou, Hainan, P. R. China