Figure 1

Locations of six populations of Toona ciliata for mating system analysis (Baoshan, Simao, Yongren, Tianlin, Guanshan and Nanping). The approximate natural geographical distribution of this species (in green) was plotted using Adobe Photoshop 2018 according to the distribution of 234 specimens available from https://www.cvh.ac.cn/ and a reference to Chen et al.1. The natural distribution of T. ciliata covers the regions of eastern, southern, central and southwest China.