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 Periplocoideae Endl. 1 Genus Gymnanthera R.Br. (1810) 2 Genus Cryptolepis R.Br. (1810) 3 Genus Streptocaulon R. Wight & Arnott, in R. Wight (1834) 4 Genus Myriopteron Griffith (1844) 5 Genus Periploca L. (1753) 6 Genus Stelmacrypton Baill.