Gonioanthela urceolata (E.Fourn.) Fontella species synonym Gonioanthela riedelii (E.Fourn.) Malme species synonym Gonioanthela odorata (Decne.) Malme species synonym Gonioanthela hilariana (E.Fourn.) Malme species synonym Gonioanthela hatschbachii Fontella & de Lamare species synonym Gonioanthela bradeana Fontella & E.A.Schwarz species synonym Gonioanthela axillaris (Vell.) Fontella & E.A.Schwarz species synonym Gonioanthela acuminata (Decne.) Malme species synonym Cynanchum usterion Vell. species synonym Metastelma urceolatum E.Fourn. species synonym Metastelma riedelii E.Fourn. species synonym Metastelma organense E.Fourn. species synonym Metastelma odoratum Decne. species synonym Metastelma hilarianum E.Fourn. species synonym Ditassa tassadioides Schltr. species synonym Asclepias axillaris Vell. species synonym Macroditassa tassadioides (Schltr.) Malme species synonym Macroditassa macrophylla Malme species synonym Peplonia riedelii (E.Fourn.) Fontella & Rapini species accepted Peplonia organensis (E.Fourn.) Fontella & Rapini species accepted Peplonia nitida Decne. species synonym Peplonia hilariana E.Fourn. species synonym Peplonia hatschbachii (Fontella & de Lamare) Fontella & Rapini species accepted Peplonia bradeana (Fontella & E.A.Schwarz) Fontella & Rapini species accepted Macroditassa adnata (E.Fourn.) Malme species synonym Peplonia axillaris (Vell.) Fontella & Rapini species accepted Peplonia asteria (Vell.) Fontella & E.A.Schwarz species accepted Metastelma barbatipetalum Silveira species synonym Metastelma acuminatum Decne. species synonym Cynanchum asterion Vell. species synonym Ditassa adnata E.Fourn. species synonym Blepharodon asterion (Vell.) E.Fourn. species synonym Metastelma hilairanum E.Fourn. species synonym Cynanchum parviflorum Link ex E.Fourn. species heterotypic synonym Peplonia adnata (E.Fourn.) U.C.S.Silva & Rapini species accepted Peplonia macrophylla (Malme) U.C.S.Silva & Rapini species accepted Metastelma organense Malme species synonym Cynanchum parviflorum Link species homotypic synonym |