Opuntia cacanapa

It also occurs in nearby Mexico from the Rio Grande to as far south as Guanajuato and northern Hidalgo.

The plants are variable in size but can form shrubby trees from 1 to 2 m tall.

Cladodes are 15 to 20 cm long and may be broadly elliptical, obovate, ovate, or most often circular.

The flowers are a rich, canary yellow (rarely orange or red) and have a prominent green stigma.

It is moderately cold and hardy and is used in cactus gardens as far north as New Mexico, Oklahoma, and northern Virginia.