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Life form2, 3: forb, perennial
Habitat: valleys, bajadas, washes
leaf presence3: leaves usually present
leaf arrangement3: opposite
leaf shape3: lanceolate to ovate
leaf margin3: sinuate-edged
Flower color2: yellow white or whitish
Flowering period2: May to Sept.
Armament2, 3: spineless
Family1, 2, 3: Apocynaceae (dogbane family)
Conserved or Obsolete Family1: Asclepiadaceae (milkweed family)
Status: uncommon
Locations where collected or observed:
Organ Pipe Cactus National Monument
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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