Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843)
     Subclass Commelinidae Takht. (1967) see Order Commelinales Mirb. ex Bercht. & J.Presl (1820)
       Superorder Zingiberanae Takht. ex Reveal (1993) see Order Zingiberales Griseb. (1854)
         Order Zingiberales Griseb. (1854) - gingers
           Family Costaceae Nakai (1941)
             1 Genus Dimerocostus Kuntze (1891)
             2 Genus Tapeinochilos Miquel (1869), nom. cons.
             3 Genus Costus L. (1753)
             4 Genus Monocostus K.M. Schumann, in Engl. (1904)