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 Gentianales Juss. ex Bercht. & J.Presl (1820) Family Plocospermataceae Hutch. (1973) Genus Plocosperma Bentham, in Bentham & Hook.f. (1876)