About the Authors

Qing Liu

liuqing@scib.ac.cn (QL); peterson@si.edu (PMP)

Affiliation Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China

Huan Liu

Affiliations Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China, University of Chinese Academy of Sciences, Beijing, China

Jun Wen

Affiliation Department of Botany, National Museum of Natural History, Smithsonian Institution, Washington, D.C., United States of America

Paul M. Peterson

liuqing@scib.ac.cn (QL); peterson@si.edu (PMP)

Affiliation Department of Botany, National Museum of Natural History, Smithsonian Institution, Washington, D.C., United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: QL PMP. Performed the experiments: QL HL. Analyzed the data: QL HL. Contributed reagents/materials/analysis tools: QL HL JW PMP. Contributed to the writing of the manuscript: QL HL JW PMP. Obtained necessary plant material: QL HL PMP.