Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Magnoliopsida Brongn. (1843) Subclass Caryophyllidae Takht. (1967) see Order Caryophyllales Juss. ex Bercht. & J.Presl (1820) Superorder Gyrostemonanae Takht. (1997) see Order Brassicales Bromhead (1838) Order Gyrostemonales Takhtajan (1997) see Order Brassicales Bromhead (1838) Family Gyrostemonaceae A.Juss. (1845), nom. cons. Genus Tersonia Moquin-Tandon, in A.DC. (1849)