About the Authors

Min Chai

Contributed equally to this work with: Min Chai, Xiaopei Zhu

Affiliations Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China, University of Chinese Academy of Sciences, Beijing 100049, China

Xiaopei Zhu

Contributed equally to this work with: Min Chai, Xiaopei Zhu

Affiliations Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China, University of Chinese Academy of Sciences, Beijing 100049, China

Hongxia Cui

Affiliation Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

Chuangdao Jiang

Affiliation Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

Jinzheng Zhang

Affiliation Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

Lei Shi

shilei@ibcas.ac.cn

Affiliation Key Laboratory of Plant Resources and Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS MC XPZ. Performed the experiments: MC XPZ. Analyzed the data: MC. Contributed reagents/materials/analysis tools: LS MC XPZ. Wrote the paper: MC HXC. Directed the experiment: CDJ JZZ.