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Cabeza Prieta Natural History Association
Sonoran Desert Plants
Euphorbia trachysperma (San Pedro River Sandmat,San Pedro River Broomspurge)

Coffee Pot Mountain


Habitat: playas
Life Form: forb,annual
Leaf Description: opposite simple linear entire smooth
Flower Color: white or whitish
Flowering Period: summer
Spines: spineless
Family: Euphorbiaceae (spurge family)
Abundance: locally common
Additional Information:
Felger, R.S., S. Rutman, and N.C. Taylor. 2015. Ajo Peak to Tinajas Altas: A flora of southwestern Arizona. Part 13. Eudicots: Euphorbiaceae. Phytoneuron 2015-26: 1-65. Published 15 April 2015. SSN 2153 733X page 42 (6.7 MB pdf)

Our member horticultural expert is Hank Jorgensen. For more information on this plant species, see Hank's page (opens in a new tab).






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Natural History of the Sonoran Desert and Refuge