Caryophylloid Dicot Genus

• Echinocereus

  Large genus of low-growing shrubby ribbed cacti of Mexico and southwestern United ...

• Opuntia

  Large genus of cactuses native to America: prickly pears.

• Aporocactus

  Small genus of epiphytic cacti of Mexico.

• Ariocarpus

  Slow-growing geophytic cacti; northern and eastern Mexico; southern Texas.

• Carnegiea

  Caryophylloid dicot genus with only one species: saguaro.

• Cereus

  Genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike...

• genus Coryphantha

  Mainly globose cacti of southwestern United States and Mexico covered with many...

• genus Echinocactus

  Globular or cylindrical cacti; southwestern United States to Brazil.

• genus Epiphyllum

  Small genus of tropical American (mainly Central America) cacti.

• Ferocactus

  Genus of nearly globular cacti of Mexico and southwestern United States: barrel cact...

• Hatiora

  Small genus of South American epiphytic or lithophytic cacti.

• Hylocereus

  Genus of climbing or epiphytic tropical American cacti with angular stems and mostly...

• Lemaireocereus

  Tropical American cacti usually tall and branching with stout spines and funnel-shaped...

• Lophophora

  Two species of small cacti of northeastern Mexico and southwestern United States having...

• genus Mammillaria

  Large genus of cacti characterized chiefly by nipple-shaped protuberances or tubercles...

• Myrtillocactus

  Small genus of arborescent cacti of Mexico and Central America.

• Pediocactus

  Low-growing cacti of the Great Plains of North America.

• Pereskia

  Genus of tropical American shrubby trees and woody climbers having slender branches with...

• Rhipsalis

  Large genus of epiphytic or lithophytic unarmed cacti with usually segmented stems and...

• Schlumbergera

  South American epiphytic or lithophytic cacti.

• Selenicereus

  Mostly epiphytic climbing cacti that bloom at night.

• Zygocactus

  Small genus of Brazilian cacti having flat fleshy usually branched joints and showy red...

• Acanthocereus

  Mostly trailing cacti having nocturnal white flowers; tropical America and Caribbean...

• Gymnocalycium

  Large genus of low-growing globular South American cacti with spiny ribs covered with...

• Harrisia

  Genus of slender often treelike spiny cacti with solitary showy nocturnal white or pink...

• Melocactus

  Genus of strongly ribbed globose or spheroid cacti of tropical South and Central America...

Also contains

• cactus

  Any succulent plant of the family Cactaceae native chiefly to arid regions of the New World...

• Nopalea

  A genus of the cactus family with scarlet flowers.