1. College of Tourism and Landscape Architecture, Guilin University of Technology, CN-541006 Guilin, China
2. Gesneriad Committee of China Wild Plant Conservation Association, National Gesneriaceae Germplasm Resources Bank of GXIB, Gesneriad Conservation Center of China, CN-541006 Guilin, Guangxi, China
3. Fengcheng Garden Company, Fuxin Township, Tiandeng County, CN-532802 Chongzuo, Guangxi, China
4. Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, CN-541006 Guilin, China