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 Caryophyllanae Takht. (1967)
         Order Caryophyllales Juss. ex Bercht. & J.Presl (1820)
           Suborder Phytolacineae see Suborder Phytolaccineae
             Family Nyctaginaceae Juss. (1789), nom. cons. - four o'clock family
               Tribe Nyctagineae Horan. (1847)
                 01 Genus Colignonia Endl. (1837)
                 02 Genus Pisoniella (Heimerl) Standl. (1911)
                 03 Genus Boerhavia L. (1753)
                 04 Genus Anulocaulis Standl. (1909)
                 05 Genus Cyphomeris Standl. (1911)
                 06 Genus Commicarpus Standl. (1909)
                 07 Genus Caribea Alain (1960)
                 08 Genus Acleisanthes A.Gray (1853)
                 09 Genus Selinocarpus A.Gray (1853)
                 10 Genus Okenia Schlechtendal & Chamisso (1830)
                 11 Genus Mirabilis L. (1753)
                 12 Genus Cuscatlania Standl. (1923)
                 13 Genus Nyctaginia Choisy, in A.DC. (1849)
                 14 Genus Allionia L. (1759), nom. cons.
                 15 Genus Phaeoptilum Radlkofer (1883)