Ji-Dong Ya,^1,2 Hai-Yao Chen,^3,4,5 Wei Zhang,¹ Ren-Bin Zhu,³ Jie Cai,^1,* Wen-Bin Yu<sup>3,5,*

1</sup>Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650201, China.
²Academy of Biodiversity, Southwest Forestry University, Kunming, Yunnan 650224, China.
³Center for Integrative Conservation & Yunnan Key Laboratory for the Conservation of Tropical Rainforests and Asian Elephants, Xishuangbanna Tropical Botanical Garden, Mengla, Yunnan 666303, China.
⁴University of Chinese Academy of Sciences, Shijingshan District, Beijing 100049, China.
⁵Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar. Ji-Dong Ya and Hai-Yao Chen contributed equally to this work.

^*Authors for correspondence: Jie Cai, j.cai@mail.kib.ac.cn; Wen-Bin Yu, yuwenbin@xtbg.ac.cn