Distribution map of Cynanchum pingtaoi and the three Cynanchum species formerly were considered to belong to Raphistemma based on specimens cited in Suppl. material 4. The base map [No. GS(2016)1666] was downloaded from http://bzdt.ch.mnr.gov.cn/.

 
 
  Part of: 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