family of relatively early dicotyledonous plants including mostly flowers

coextensive with the family Cactaceae: cactuses

any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines

mostly trailing cacti having nocturnal white flowers; tropical America and Caribbean region

small genus of epiphytic cacti of Mexico

slow-growing geophytic cacti; northern and eastern Mexico; southern Texas

coextensive with the family Cactaceae: cactuses

any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines

mostly trailing cacti having nocturnal white flowers; tropical America and Caribbean region

small genus of epiphytic cacti of Mexico

slow-growing geophytic cacti; northern and eastern Mexico; southern Texas