Echinocereus

• hedgehog cereus

  Cactus of the genus Echinocereus.

• rainbow cactus

  A stout cylindrical cactus of the southwest United States and adjacent Mexico.

Opuntia

• prickly pear

  Cacti having spiny flat joints and oval fruit that is edible in some species; often...

• cholla

  Arborescent cacti having very spiny cylindrical stem segments; southwestern United States...

Also contains

• echinocactus

  Any cactus of the genus Echinocactus; strongly ribbed and very spiny; southwestern...

• peyote

  A small spineless globe-shaped cactus; source of mescal buttons.

• garambulla

  Arborescent cactus of western Mexico bearing a small oblong edible berrylike fruit.

• night-blooming cereus

  Any of several night-blooming cacti of the genus Selenicereus.

• pitahaya

  Cactus of the southwestern United States and northern Mexico having edible juicy fruit.

• epiphyllum

  Any cactus of the genus Epiphyllum having flattened jointed irregularly branching stems...

• barrel cactus

  A cactus of the genus Ferocactus: unbranched barrel-shaped cactus having deep ribs...

• Easter cactus

  Spring-blooming South American cactus with oblong joints and coral-red flowers; sometimes...

• night-blooming cereus

  Any of several cacti of the genus Hylocereus.

• chichipe

  Tall treelike Mexican cactus with edible red fruit.

• mammillaria

  Any cactus of the genus Mammillaria.

• feather ball

  A low tuberculate cactus with white feathery spines; northeastern Mexico.

• Knowlton's cactus

  Small clustering cactus of southwestern United States; a threatened species.

• nopal

  Any of several cacti of the genus Nopalea resembling prickly pears.

• mistletoe cactus

  A plant of the genus Rhipsalis.

• Christmas cactus

  Epiphytic cactus of Brazilian ancestry widely cultivated as a houseplant having...

• crab cactus

  South American jointed cactus with usually red flowers; often cultivated as a houseplant;...

• rattail cactus

  Commonly cultivated tropical American cactus having slender creeping stems and very...

• living rock

  Usually unbranched usually spineless cactus covered with warty tubercles and having...

• saguaro

  Extremely large treelike cactus of desert regions of southwestern United States having a...

• night-blooming cereus

  Any of several cacti of the genus Cereus.

• coryphantha

  A cactus of the genus Coryphantha.