English > cactus: 1 sense > noun 1, plant| Meaning | Any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines. |
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| Member of | Cactaceae, family Cactaceae, cactus family | constituting the order Opuntiales |
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| Narrower | Christmas cactus, Schlumbergera buckleyi, Schlumbergera baridgesii | epiphytic cactus of Brazilian ancestry widely cultivated as a houseplant having jointed flat segments and usually rose-purple flowers that bloom in winter |
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| Easter cactus, Hatiora gaertneri, Schlumbergera gaertneri | spring-blooming South American cactus with oblong joints and coral-red flowers |
| Knowlton's cactus, Pediocactus knowltonii | small clustering cactus of southwestern United States |
| barrel cactus | A cactus of the genus Ferocactus |
| chichipe, Lemaireocereus chichipe | tall treelike Mexican cactus with edible red fruit |
| cholla, Opuntia cholla | arborescent cacti having very spiny cylindrical stem segments |
| coryphantha | A cactus of the genus Coryphantha |
| crab cactus, Thanksgiving cactus, Zygocactus truncatus, Schlumbergera truncatus | South American jointed cactus with usually red flowers |
| echinocactus, barrel cactus | Any cactus of the genus Echinocactus |
| epiphyllum, orchid cactus | Any cactus of the genus Epiphyllum having flattened jointed irregularly branching stems and showy tubular flowers |
| feather ball, Mammillaria plumosa | A low tuberculate cactus with white feathery spines |
| garambulla, garambulla cactus, Myrtillocactus geometrizans | arborescent cactus of western Mexico bearing a small oblong edible berrylike fruit |
| hedgehog cereus | cactus of the genus Echinocereus |
| living rock, Ariocarpus fissuratus | usually unbranched usually spineless cactus covered with warty tubercles and having magenta flowers and white or green fruit |
| mammillaria | Any cactus of the genus Mammillaria |
| mescal, mezcal, peyote, Lophophora williamsii | A small spineless globe-shaped cactus |
| mistletoe cactus | A plant of the genus Rhipsalis |
| night-blooming cereus | Any of several night-blooming cacti of the genus Selenicereus |
| night-blooming cereus | Any of several cacti of the genus Cereus |
| night-blooming cereus | Any of several cacti of the genus Hylocereus |
| nopal | Any of several cacti of the genus Nopalea resembling prickly pears |
| pitahaya cactus, pitahaya, Acanthocereus tetragonus, Acanthocereus pentagonus | cactus of the southwestern United States and northern Mexico having edible juicy fruit |
| prickly pear, prickly pear cactus | cacti having spiny flat joints and oval fruit that is edible in some species |
| rainbow cactus | A stout cylindrical cactus of the southwest United States and adjacent Mexico |
| rattail cactus, rat's-tail cactus, Aporocactus flagelliformis | commonly cultivated tropical American cactus having slender creeping stems and very large showy crimson flowers that bloom for several days |
| saguaro, sahuaro, Carnegiea gigantea | Extremely large treelike cactus of desert regions / regions of southwestern United States having a thick columnar sparsely branched trunk bearing white flowers and edible red pulpy fruit |
| Broader | succulent | A plant adapted to arid conditions and characterized by fleshy water-storing tissues that act as water reservoirs |
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| Spanish | cactaceae, cacto, cactus |
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| Catalan | cactus |
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