I think this is Opuntia leptocaulis - Deseert Christmas Cactus.
Tags: arizona,christmas cactus,coronado national forest,linda vista trails,pima county,pusch ridge wilderness,santa catalina mountains,santa catalina ranger district

Desert Christmas Cactus.
Tags: birding trail,catalina state park,christmas cactus,desert christmas cactus,santa catalina mountains,sunset

Tags: alamo canyon loop,arizona,catalina state park,christmas cactus,coronado national forest,pima county,santa catalina mountains,santa catalina ranger district

Tags: arizona,arizona state trust land,christmas cactus,pima county,powerline,san pedro river valley,santa catalina mountains,six bar ranch,sunzia