Canotia holacantha

A thorny, leafless large shrub or small tree much like Koeberlinia, found at low elevations in Arizona, primarily along the base of the Mogollon Rim.

Plant habit near San Carlos along U.S. Hwy 70, 21 Dec 2008.

Fruits near San Carlos along U.S. Hwy 70, 21 Dec 2008.