Chylismia claviformis ssp. peirsonii

Life form², ³: forb, annual
Habitat: bajadas, valleys
leaf presence³: leaves usually present
leaf arrangement³: alternate
leaf format³: simple
leaf shape³: ovate
leaf surface³: smooth
leaf margin³: entire
Flower color²: yellow
Flowering period²: Feb. to Apr.
Armament², ³: spineless
Family¹, ², ³: Onagraceae (evening primrose family)
Synonym(s)¹: Camissonia claviformis ssp.peirsonii
Status: rare

*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