#family_Cactaceae__Cactaceae__cactus_family  constituting the order Opuntiales
  supertype:  #caryophylloid_dicot_family__caryophylloiddicotfamily  family of relatively early dicotyledonous plants including mostly flowers
  member of:  #order_Opuntiales
  member:  #cactus  any spiny succulent plant of the family Cactaceae native chiefly to arid regions of the New World
  member:  #genus_Acanthocereus__Acanthocereus  mostly trailing cacti having nocturnal white flowers; tropical America and Caribbean region
  member:  #genus_Aporocactus__Aporocactus  small genus of epiphytic cacti of Mexico
     member:  #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
  member:  #genus_Ariocarpus__Ariocarpus  slow-growing geophytic cacti; northern and eastern Mexico; southern Texas
     member:  #living_rock__Ariocarpus_fissuratus  usually unbranched usually spineless cactus covered with warty tubercles and having magenta flowers and white or green fruit; resembles the related mescal; northeastern Mexico and southwestern United States
  member:  #genus_Carnegiea__Carnegiea  caryophylloid dicot genus with only one species: saguaro
     member:  #saguaro__sahuaro__Carnegiea_gigantea  extremely large treelike cactus of desert regions of southwestern United States having a thick columnar sparsely branched trunk bearing white flowers and edible red pulpy fruit
  member:  #genus_Cereus__Cereus  genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white
     member:  #night-blooming_cereus  any of several cacti of the genus Cereus
  member:  #genus_Coryphantha  mainly globose cacti of southwestern United States and Mexico covered with many nodules; superficially resembling and formerly included in genus Mammillaria
     member:  #coryphantha  a cactus of the genus Coryphantha
  member:  #genus_Echinocactus  globular or cylindrical cacti; southwestern United States to Brazil
     member:  #echinocactus__barrel_cactus  any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern United States to Brazil
  member:  #genus_Echinocereus__Echinocereus  large genus of low-growing shrubby ribbed cacti of Mexico and southwestern United States
     member:  #hedgehog_cereus  cactus of the genus Echinocereus
     member:  #rainbow_cactus  a stout cylindrical cactus of the southwest United States and adjacent Mexico
  member:  #genus_Epiphyllum  small genus of tropical American (mainly Central America) cacti
     member:  #epiphyllum__orchid_cactus  any cactus of the genus Epiphyllum having flattened jointed irregularly branching stems and showy tubular flowers
  member:  #genus_Ferocactus__Ferocactus  genus of nearly globular cacti of Mexico and southwestern United States: barrel cacti
     member:  #barrel_cactus  a cactus of the genus Ferocactus: unbranched barrel-shaped cactus having deep ribs with numerous spines and usually large funnel-shaped flowers followed by dry fruits
  member:  #genus_Gymnocalycium__Gymnocalycium  large genus of low-growing globular South American cacti with spiny ribs covered with many tubercles
  member:  #genus_Harrisia__Harrisia  genus of slender often treelike spiny cacti with solitary showy nocturnal white or pink flowers; Florida and Caribbean to South America
  member:  #genus_Hatiora__Hatiora  small genus of South American epiphytic or lithophytic cacti
     member:  #Easter_cactus__Hatiora_gaertneri__Schlumbergera_gaertneri  spring-blooming South American cactus with oblong joints and coral-red flowers; sometimes placed in genus Schlumbergera
  member:  #genus_Hylocereus__Hylocereus  genus of climbing or epiphytic tropical American cacti with angular stems and mostly white very fragrant flowers
     member:  #night-blooming_Hylocereus_cactus__night-blooming_cereus  any of several cacti of the genus Hylocereus
  member:  #genus_Lemaireocereus__Lemaireocereus  tropical American cacti usually tall and branching with stout spines and funnel-shaped flowers and globular or ovoid often edible fruit
     member:  #Lemaireocereus_chichipe__chichipe  tall treelike Mexican cactus with edible red fruit
  member:  #genus_Lophophora__Lophophora  two species of small cacti of northeastern Mexico and southwestern United States having rounded stems covered with jointed tubercles: mescal
     member:  #mezcal__mescal__peyote__Lophophora_williamsii  a small spineless globe-shaped cactus; source of mescal buttons
  member:  #genus_Mammillaria  large genus of cacti characterized chiefly by nipple-shaped protuberances or tubercles on their surface
     member:  #mammillaria  any cactus of the genus Mammillaria
  member:  #genus_Melocactus__Melocactus  genus of strongly ribbed globose or spheroid cacti of tropical South and Central America and the Caribbean
  member:  #genus_Myrtillocactus__Myrtillocactus  small genus of arborescent cacti of Mexico and Central America
     member:  #garambulla_cactus__garambulla__Myrtillocactus_geometrizans  arborescent cactus of western Mexico bearing a small oblong edible berrylike fruit
  member:  #genus_Pediocactus__Pediocactus  low-growing cacti of the American Great Plains
     member:  #Knowlton's_cactus__Pediocactus_knowltonii  small clustering cactus of southwestern United States; a threatened species
  member:  #genus_Nopalea__Nopalea  a genus of the cactus family with scarlet flowers
     member:  #nopal  any of several cacti of the genus Nopalea resembling prickly pears
  member:  #genus_Opuntia__Opuntia  large genus of cactuses native to America: prickly pears
     member:  #prickly_pear_cactus__prickly_pear__pricklypear  cacti having spiny flat joints and oval fruit that is edible in some species; often used as food for stock
     member:  #Opuntia_cholla__cholla  arborescent cacti having very spiny cylindrical stem segments; southwestern United States and Mexico
  member:  #genus_Pereskia__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
     member:  #Barbados_gooseberry__Barbados-gooseberry_vine__Pereskia_aculeata  West Indian woody scrambler with spiny stems and numerous fragrant white flowers in panicles followed by small yellow to orange fruits
  member:  #genus_Rhipsalis__Rhipsalis  large genus of epiphytic or lithophytic unarmed cacti with usually segmented stems and pendulous branches; flowers are small followed by berrylike fruits
     member:  #mistletoe_cactus  a plant of the genus Rhipsalis
  member:  #genus_Schlumbergera__Schlumbergera  South American epiphytic or lithophytic cacti
     member:  #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
  member:  #genus_Selenicereus__Selenicereus  mostly epiphytic climbing cacti that bloom at night
     member:  #night-blooming_Selenicereus_cactus__night-blooming_cereus  any of several night-blooming cacti of the genus Selenicereus
  member:  #genus_Zygocactus__Zygocactus  small genus of Brazilian cacti having flat fleshy usually branched joints and showy red or pink flowers followed by red fleshy fruits
     member:  #crab_cactus__Thanksgiving_cactus__Zygocactus_truncatus__Schlumbergera_truncatus  South American jointed cactus with usually red flowers; often cultivated as a houseplant; sometimes classified as genus Schlumbergera

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