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Life form2, 3: cactus, medium arborescent
Habitat: valleys
leaf presence3: leaves only on new growth
leaf arrangement3: leaves only on new growth
leaf format3: leafless or alternate
leaf shape3: scalelike
leaf surface3: smooth
leaf margin3: entire
Flower color2: magenta or pink
Flowering period2: May to June
Armament2, 3: short straight spines with sheaths or long straight spines with sheaths
Family1, 2, 3: Cactaceae (cactus family)
Synonym(s)1: Opuntia spinosior
Status: rare in SW Arizona
Locations where collected or observed:
Cabeza Prieta National Wildlife Refuge
Organ Pipe Cactus National Monument
Ajo vicinity and BLM land
Sonoran Desert National Monument
*For information on nomenclature, authorship, or plant characteristics, see these references:
- 1 Felger, Richard Stephen, Susan Rutman, Thomas Van Devender, and Steven M. Buckley. 2012. Checklist of Vascular Plants of Organ Pipe Cactus National Monument, Cabeza Prieta National Wildlife Refuge, and Tinaja Altas, Arizona. CANOTIA 8:1-53
- 2 Felger, Richard Stephen, Susan Rutman, Michael F. Wilson, and Kathryn Mauz. 2007. Botanical Diversity of Southwestern Arizona and Northwestern Sonora. in: Dry Borders, Great Natural Reserves of the Sonoran Desert. eds.: Richard Stephen Felger and Bill Broyles. The University of Utah Press, Salt Lake City
- 3 Felger, Richard Stephen. 2000. Flora of the Gran Desierto and Rio Colorado of Northwestern Mexico. The University of Arizona Press, Tucson
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