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 Theanae R.Dahlgren ex Reveal (1993) see Order Ericales Bercht. & J.Presl (1820) Order Physenales Takht. (1997) see Order Caryophyllales Juss. ex Bercht. & J.Presl (1820) Family Physenaceae Takht. (1985) - Physena family Genus Physena Noronha ex Du Petit-Thouars (1806) Physena madagascariensis Steudel Physena sessiliflora Tul. (1857)