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 Malvanae Takht. (1967) see Order Malvales Juss. ex Bercht. & J.Presl (1820) Order Malvales Juss. ex Bercht. & J.Presl (1820) Family Sterculiaceae Vent. (1807), nom. cons. - cacao family see Family Malvaceae Juss. (1789), nom. cons. Subfamily Byttnerioideae Burnett Tribe Helmiopsideae 1 Genus Helmiopsiella Arènes (1956) 2 Genus Helmiopsis H. Perrier de la Bâthie (1944) 3 Genus Nesogordonia Baill. (1886)