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Cabeza Prieta Natural History Association
Sonoran Desert Plants
Achyronychia cooperi (Onyxflower,Sand-mat,Frost-mat)

Coffee Pot Mountain


 Achyronychia cooperi

 Achyronychia cooperi

 Achyronychia cooperi

 Achyronychia cooperi

Habitat: sand dunes
Life Form: forb,annual
Leaf Description: alternate simple
Flower Color: white or whitish
Flowering Period: Feb. to Apr.
Spines: spineless
Family: Caryophyllaceae (pink family)
Abundance: locally common
Additional Information:
Felger, R.S., S. Rutman, and J. Malusa. 2015. Ajo Peak to Tinajas Altas: A flora of southwestern Arizona. Part 12. Eudicots: Campanulaceae to Cucurbitaceae. Phytoneuron 2015-21: 1-39. Published 30 March 2015. ISSN 2153 733X page 13 (4.4 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