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Cabeza Prieta Natural History Association
Sonoran Desert Plants
Stenocereus thurberi (Organ Pipe Cactus, pitaya, pitaya dulce)

Ajo Peak at Night


 Stenocereus thurberi

Habitat: bajadas, rocky slopes
Life Form: cactus,tall columnar
Leaf Description: leafless
Flower Color: pink or magenta
Flowering Period: May to July
Spines: short straight spines
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 84 (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 Stenocereus thurberi (opens in a new tab).






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Natural History of the Sonoran Desert and Refuge