Funding for this research was provided by:
National Natural Science Foundation of China (30860233, 31660227)
Innovative Research Team Program of Hainan Natural Science Fund (2018CXTD331)
Received: 17 July 2019
Accepted: 29 November 2019
First Online: 30 December 2019
Ethics approval and consent to participate
: The leaf material and seed capsules used in this study were collected from YJM population in Bawangling National Nature Reserve. All field experiments and plant material collection complied with institutional, national and international restrictions and guidelines, and prior permission was obtained from Bawangling National Nature Reserve Administration. All analyses were conducted in-country, removing the need for CITES permission for export/import.
: Not applicable.
: The authors declare that they have no competing interests.