Xin Yin,^1,2,3 Yunqiang Yang,^1,2,* Yongping Yang<sup>1,2,*

1</sup>2Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chin
²3Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming,
³4University of the Chinese Academy of Sciences, Beijing, People's Republic of China

^*Authors for correspondence: yangyunqiang@mail.kib.ac.cn, yangyp@mail.kib.ac.cn