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Cabeza Prieta Natural History Association
Sonoran Desert Plants
Psorothamnus spinosus (Smoke Tree,palo cenizo)

Coffee Pot Mountain


 Psorothamnus spinosus

 Psorothamnus spinosus

 Psorothamnus spinosus

 Psorothamnus spinosus

Habitat: washes
Life Form: tree
Leaf Description: leafless
Flower Color: lavender to violet to purple
Flowering Period: Apr. to June
Spines: spineless
Family: Fabaceae (bean family)
Abundance: locally common
Additional Information:
Felger, R.S. and S. Rutman. 2015. Ajo Peak to Tinajas Altas: a flora of southwestern Arizona. Part 14. Eudicots: Fabaceae - legume family. Phytoneuron 2015-58: 1-83. Published 20 Oct 2015. ISSN 2153 733X page 66 (13.1 MB pdf)

Photo Credits:
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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