1. Any of several night-blooming cacti of the genus Selenicereus
   "The Selenicereus night-blooming cereus is sometimes called the Queen of the Night"
    
2. Any of several cacti of the genus Hylocereus
   "The night-blooming cereus of the Hylocereus genus is known for its large, fragrant flowers"
    
3. Any of several cacti of the genus Cereus
   "The night-blooming cereus opened its spectacular flower after sunset"

1. Cactus of the genus Echinocereus
   "The hedgehog cereus produced vibrant pink flowers in the spring"

1. Genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white
   - genus Cereus

Type of: cactus, caryophylloid dicot genus

Part of: Cactaceae, cactus family, Echinocereus, family Cactaceae, genus Echinocereus, genus Hylocereus, genus Selenicereus, Hylocereus, Selenicereus

Encyclopedia: Night-blooming cereus