Opuntiales


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Noun1.Opuntiales - coextensive with the family Cactaceae: cactuses
plant order - the order of plants
Caryophyllidae, subclass Caryophyllidae - 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
Cactaceae, cactus family, family Cactaceae - constituting the order Opuntiales