Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Lamiidae Takht. ex Reveal (1993) see [unranked] lamiids
       Superorder Gentiananae Thorne ex Reveal (1992) see Order Gentianales Juss. ex Bercht. & J.Presl (1820)
         Order Apocynales R.Br. ex Bercht. & J.Presl (1820) see Order Gentianales Juss. ex Bercht. & J.Presl (1820)
           Family Apocynaceae Juss. (1789), nom. cons. - dogbane family
             Subfamily Asclepiadoideae Burnett
               Tribe Asclepiadeae Duby (1828)
                 01 Genus Adelostemma Hook.f. (1883)
                 02 Genus Oxystelma R.Br. (1810)
                 03 Genus Sarcostemma R.Br. (1810) see Genus Cynanchum L. (1753)
                 04 Genus Cynanchum L. (1753)
                 05 Genus Calotropis R.Br. (1810)
                 06 Genus Metastelma R.Br. (1810) see Genus Cynanchum L. (1753)
                 07 Genus Ditassa R.Br. (1810)
                 08 Genus Funastrum E.P.N. Fourn. (1882)
                 09 Genus Absolmsia Kuntze (1891) see Genus Hoya R.Br. (1810)
                 10 Genus Asclepias L. (1753)
                 11 Genus Gomphocarpus R.Br. (1810)
                 12 Genus Pentastelma Tsiang & P.T.Li
                 13 Genus Merrillanthus W.-Y. Chun & Y. Tsiang (1941)
                 14 Genus Biondia Schltr.
                 15 Genus Metaplexis R.Br. (1810)
                 16 Genus Raphistemma Wall. (1831)
                 17 Genus Holostemma R.Br. (1810)
                 18 Genus Graphistemma (Champion ex Bentham) Bentham (1876)
                 19 Genus Oxypetalum R.Br. (1810), nom. cons.