Caryophyllidae n 1: a group of families of mostly flowers having basal or 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}, {subclass Caryophyllidae}]
Dicotyledonae \Dicotyledonae\ n. (Bot.) a class of plants comprising those seed plants that produce an embryo with two cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): {Magnoliidae} and {Hamamelidae} (considered primitive); {Caryophyllidae} (an early and distinctive offshoot); and three more or less advanced groups: {Dilleniidae}; {Rosidae}; {Asteridae}. Syn: Dicotyledones, class Dicotyledones, class Dicotyledonae, Magnoliopsida, class Magnoliopsida. [WordNet 1.5]
Caryophyllidae \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); it contains 14 families including: {Caryophyllaceae} (carnations and pinks); {Aizoaceae}; {Amaranthaceae}; {Batidaceae}; {Chenopodiaceae}; {Cactaceae} (order {Opuntiales}); {Nyctaginaceae}; {Phytolaccaceae}; it corresponds approximately to order {Caryophyllales}; it is sometimes classified as a superorder. Syn: subclass Caryophyllidae. [WordNet 1.5]