ACKNOWLEDGEMENTS
This work was supported by Science and Technology Program from Forestry
Administration of Guangdong Province (2023KJCX001). We are thankful to
Prof. Nian-He Xia (South China National Botanical Garden) and
Dr. Gang Yao (South China Agricultural University) for their
helpful comments and constructive suggestions, and Guangxi Longhu
Mountain Provincial Nature Reserve for supporting our field work.