meaning of subclass caryophyllidae
1. 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