Vincetoxicum is a genus of plant in family Apocynaceae. Although the species in Vincetoxicum have sometimes been included in Cynanchum, chemical and molecular evidence shows that Vincetoxicum is more closely related to Tylophora. moved to other genera (Alexitoxicon, Ampelamus, Antitoxicum, Asclepias, Blyttia, Cynanchum, Dictyanthus, Diplolepis, Gonolobus, Heterostemma, Ischnostemma, Macroscepis, Matelea, Orthosia, Pentatropis, Petalostelma, Polystemma, Seutera, Telminostelma, Tylophora)