Zhi-Zhong Li,^1,2 Meng-Xue Lu,³ Josphat K. Saina,^1,2,4 Andrew W. Gichira,^1,2,4 Qing-Feng Wang,^1,4,* Jin-Ming Chen<sup>1,**

1</sup>2Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of
²3University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
³4College of Life Science, South-Central University for Nationalities, Wuhan 430074, People's Republi
⁴5Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan 430074, People's Republic of

^*Authors for correspondence: qfwang@wbgcas.cn (Q.F.W.),
^**jmchen@wbgcas.cn (J.M.C.)