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Life form2, 3: cactus, low columnar
Habitat: bajadas, rocky slopes
leaf presence3: always leafless
leaf arrangement3: leafless
leaf format3: leafless
Flower color2: lavender or purple or violet
Flowering period2: Feb. to May
Armament2, 3: long straight spines without sheaths
Family1, 2, 3: Cactaceae (cactus family)
Status: locally common
Locations where collected or observed:
Cabeza Prieta National Wildlife Refuge
Organ Pipe Cactus National Monument
Ajo vicinity and BLM land
*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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