Sclerocactus whipplei (Engelm. & Bigelow) Britt. & Rose  
Family: Cactaceae
Whipple's Fish-Hook Cactus
[Ferocactus whipplei (Engelm. & J.M. Bigelow) N.P. Taylor,  more]
Sclerocactus whipplei image
Mea S.  
Sclerocactus whipplei