Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (103-2621-B-002004-MY3)
National Natural Science Foundation of China (31860043)
Guilin Scientific Research and Technology Development Program (20180107–6)
Text and Data Mining valid from 2019-08-29
Received: 14 April 2019
Accepted: 8 August 2019
First Online: 29 August 2019
Ethics approval and consent to participate
: Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany has permits to conduct fieldtirps in Guangxi (to Wei-Bin Xu).
: Not applicable.
: The authors declare that they have no competing interests.