English > Cactaceae: 1 sense > noun 1, plant| Meaning | constituting the order Opuntiales. |
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| Synonyms | family Cactaceae, cactus family |
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| Member of | Opuntiales, order Opuntiales | coextensive with the family Cactaceae |
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| Members | Acanthocereus, genus Acanthocereus | Mostly trailing cacti having nocturnal white flowers |
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| Aporocactus, genus Aporocactus | small genus of epiphytic cacti of Mexico |
| Ariocarpus, genus Ariocarpus | Slow-growing geophytic cacti |
| Carnegiea, genus Carnegiea | caryophylloid dicot genus with only one species |
| Cereus, genus Cereus | genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white |
| Echinocereus, genus Echinocereus | large genus of low-growing shrubby ribbed cacti of Mexico and southwestern United States |
| Ferocactus, genus Ferocactus | genus of nearly globular cacti of Mexico and southwestern United States |
| Gymnocalycium, genus Gymnocalycium | large genus of low-growing globular South American cacti with spiny ribs covered with many tubercles |
| Harrisia, genus Harrisia | genus of slender often treelike spiny cacti with solitary showy nocturnal white or pink flowers |
| Hatiora, genus Hatiora | small genus of South American epiphytic or lithophytic cacti |
| Hylocereus, genus Hylocereus | genus of climbing or epiphytic tropical American cacti with angular stems and mostly white very fragrant flowers |
| Lemaireocereus, genus Lemaireocereus | Tropical American cacti usually tall and branching with stout spines and funnel-shaped flowers and globular or ovoid often edible fruit |
| Lophophora, genus Lophophora | Two species of small cacti of northeastern Mexico and southwestern United States having rounded stems covered with jointed tubercles |
| Melocactus, genus Melocactus | genus of strongly ribbed globose or spheroid cacti of tropical South and Central America and the Caribbean |
| Myrtillocactus, genus Myrtillocactus | small genus of arborescent cacti of Mexico and Central America |
| Nopalea, genus Nopalea | A genus of the cactus family with scarlet flowers |
| Opuntia, genus Opuntia | large genus of cactuses native to America |
| Pediocactus, genus Pediocactus | low-growing cacti of the Great Plains of North America |
| Pereskia, genus Pereskia, Peireskia, genus Peireskia | genus of tropical American shrubby trees and woody climbers having slender branches with broad flat leaves and large panicles of flowers |
| Rhipsalis, genus Rhipsalis | large genus of epiphytic or lithophytic unarmed cacti with usually segmented stems and pendulous branches |
| Schlumbergera, genus Schlumbergera | South American epiphytic or lithophytic cacti |
| Selenicereus, genus Selenicereus | Mostly epiphytic climbing cacti that bloom at night |
| Zygocactus, genus Zygocactus | small genus of Brazilian cacti having flat fleshy usually branched joints and showy red or pink flowers followed by red fleshy fruits |
| cactus | Any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines |
| genus Coryphantha | mainly globose cacti of southwestern United States and Mexico covered with many nodules |
| genus Echinocactus | globular or cylindrical cacti |
| genus Epiphyllum | small genus of tropical American (mainly Central America) cacti |
| genus Mammillaria | large genus of cacti characterized chiefly by nipple-shaped protuberances or tubercles on their surface |
| Broader | caryophylloid dicot family | family of relatively early dicotyledonous plants including mostly flowers |
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| Spanish | cactáceas, familia cactáceas |
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| Catalan | Cactaceae, cactàcia, cactàcies |
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