Petalostelma longipedunculatum A.P.B.Santos species accepted

Petalostelma andinum Meve, Liede & A.P.B.Santos species accepted

Petalostelma auriculatum A.P.B.Santos & Meve species accepted

Petalostelma atlanticum A.P.B.Santos species accepted

Cynanchum sarcostemma Lillo species synonym

Petalostelma sarcostemma (Lillo) Liede & Meve species accepted

Petalostelma robertii (S.Moore) Liede & Meve species accepted

Petalostelma martianum (Decne.) E.Fourn. species accepted

Petalostelma cearense Malme species accepted

Metastelma robertii (S.Moore) Malme species synonym

Metastelma martianum Decne. species synonym

Metastelma calcaratum Decne. species synonym

Metastelma bracteolatum E.Fourn. species synonym

Lagoa calcarata (Decne.) Baill. species synonym

Zygostelma calcaratum (Decne.) E.Fourn. species synonym

Vincetoxicum robertii S.Moore species synonym

Petalostelma bracteolatum (E.Fourn.) Fontella species accepted

Lagoa calcarata (Decne.) Schum. species synonym

Cynanchum robertii (S.Moore) Malme species synonym

Petalostelma dardanoi Fontella species accepted

Petalostelma calcaratum (Decne.) Fontella species accepted