Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST 103-2621-B-002004-MY3, NSC 101-2621-B-001-003)
National Natural Science Foundation of China (41161011)
Text and Data Mining valid from 2019-09-06
Received: 5 March 2019
Accepted: 8 August 2019
First Online: 6 September 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 fieldtrips in Guangxi (to W-BX and YL).
: Not applicable.
: The authors declare that they have no competing interests.