
Echinocereus arizonicus

Echinocereus arizonicus is a species of cactus native to the Chihuahuan Desert region of Chihuahua, southwestern New Mexico and southeastern Arizona, as well as in the Superstition and Mescal Mountains of Central Arizona. An endangered variable of the species "Echinocereus triglochidiatus arizonicus" is found exclusively in sections of the Superstition, Mescal, and Pinal Mountains. Genetic studies have indicated that this variable of the species does not occur outside these mountain ranges.
Common names include "Arizona claret-cup cactus" and "Arizona hedgehog cactus."
"Echinocereus arizonicus" has deep red to bright orange-red flowers, sometimes with a lighter yellowish-green center.