genus Cereus


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Noun1.genus Cereus - genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually whitegenus Cereus - genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white
caryophylloid dicot genus - genus of relatively early dicotyledonous plants including mostly flowers
Cactaceae, cactus family, family Cactaceae - constituting the order Opuntiales
night-blooming cereus - any of several cacti of the genus Cereus
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He subdivided his large genus Cereus into 51 subgenera, 2 sections, and 6 lines.