Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Magnoliopsida Brongn. (1843) Subclass Dilleniidae Takht. ex Reveal & Tahkt. (1993) see Order Dilleniales DC. ex Bercht. & J.Presl (1820) Superorder Violanae R.Dahlgren ex Reveal (1992) see Order Malpighiales Juss. ex Bercht. & J.Presl (1820) Order Violales Perleb (1826) see Order Malpighiales Juss. ex Bercht. & J.Presl (1820) Family Peridiscaceae Kuhlm. (1950), nom. cons. Genus Whittonia Sandwith (1962)