Source : WordNet®

subclass Caryophyllidae
     n : a group of families of mostly flowers having basal or
         free-central placentation and trinucleate pollen
         (binucleate pollen is commoner in flowering plants);
         contains 14 families including: Caryophyllaceae
         (carnations and pinks); Aizoaceae; Amaranthaceae;
         Batidaceae; Chenopodiaceae; Cactaceae (order Opuntiales);
         Nyctaginaceae; Phytolaccaceae; corresponds approximately
         to order Caryophyllales; sometimes classified as a
         superorder [syn: {Caryophyllidae}]