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Life form2, 3: forb, annual
Habitat: rocky slopes, bajadas
leaf presence3: leaves usually present
leaf arrangement3: alternate
leaf format3: simple
leaf shape3: oblanceolate
leaf surface3: woolly hairy
leaf margin3: spiny toothed
Flower color2: yellow
Flowering period2: Feb. to May
Armament2, 3: spiny leaves
Family1, 2, 3: Asteraceae (sunflower family)
Conserved or Obsolete Family1: Compositae (composite family)
Status: locally common
Locations where collected or observed:
Cabeza Prieta National Wildlife Refuge
Organ Pipe Cactus National Monument
Tinajas Altas area
*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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