Figure 5 from: Liao M, Zeng S-J, Zeng L-Y, Yin H-J, Yan M-L, Zhang C-F, Tang G-D (2024) A new species and a replacement name in Cynanchum (Apocynaceae, Asclepiadeae) from China. PhytoKeys 241: 49-63. https://doi.org/10.3897/phytokeys.241.111499