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Cabeza Prieta Natural History Association
Sonoran Desert Plants
Hilaria rigida (Big Galleta, galleta grande, tobosa)

Cabeza Prieta Peak


 Hilaria rigida

 Hilaria rigida

 Hilaria rigida

 Hilaria rigida

 Hilaria rigida

Habitat: arroyos, washes, sandy areas, sand dunes
Life Form: grass,perennial
Leaf Description: grasslike leaves
Flower Color: green
Flowering Period: Feb. to Sept.
Spines: spineless
Family: Poaceae (grass family)
Abundance: locally common
Additional Information:
Felger, R.S., S. Rutman, and J. Malusa. 2014. Ajo Peak to Tinajas Altas: Flora of Southwestern Arizona: Part 6. Poaceae - Grass Family. Phytoneuron 2014-35, 1-139 page 83 (13.8 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 on Hilaria rigida (opens in a new tab).






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Natural History of the Sonoran Desert and Refuge