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Cabeza Prieta Natural History Association
Sonoran Desert Plants
Echinocactus polycephalus Englemann & J.M.Bigelow (Cottontop Cactus, Many-headed Barrel Cactus, Cannonball Cactus, biznaga)

Cabeza Prieta Peak


 Echinocactus polycephalus Englemann & J.M.Bigelow

Habitat: bajadas
Life Form: cactus,spherical
Leaf Description: leafless
Flower Color: yellow
Flowering Period: Feb. to Mar.
Spines: stout
Family: Cactaceae (cactus family)
Abundance: locally common
Additional Information:
Felger, R.S., S. Rutman, J. Malusa, and M.A. Baker. 2014. Ajo Peak to Tinajas Altas: Flora of Southwestern Arizona: Part 7. Eudicots: Cactaceae - Cactus Family. Phytoneuron 2014-69, 1-95 page 35 (13.5 MB pdf)

Photo Credits:
Photo #1

Our member horticultural expert is Hank Jorgensen. For more information on this plant species, see Hank's page on Echinocactus polycephalus Englemann & J.M.Bigelow (opens in a new tab).






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Natural History of the Sonoran Desert and Refuge