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Pleuraphis mutica (Tobosagrass)
Anderson, Wynn

Pleuraphis mutica

Pleuraphis mutica Buckley

Tobosagrass, Tobosa Grass

Poaceae (Grass Family)

Synonym(s): Hilaria mutica

USDA Symbol: PLMU3

USDA Native Status: L48 (N)

The 1-2 ft. stems of tobosa grass rise from a tough, rhizomatous base and are topped by a spike-like seed head to 3 in. long.


From the Image Gallery

5 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Venation: Parallel
Fruit Type: Caryopsis
Size Notes: Up to about 2 feet tall.
Leaf: Green

Bloom Information

Bloom Color: White , Yellow , Green
Bloom Time: Jan , Feb , Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov , Dec


USA: AZ , NM , OK , TX
Native Distribution: OK & w. TX to AZ & n. Mex.
Native Habitat: Dry mesas; rocky slopes; alluvial flats

Growing Conditions

Water Use: Low
Light Requirement: Sun
Soil Moisture: Dry
CaCO3 Tolerance: Low
Soil Description: Dry, rocky soils.

Find Seed or Plants

View propagation protocol from Native Plants Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Texas Parks and Wildlife Department - Austin, TX

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Pleuraphis mutica in USDA Plants
FNA: Find Pleuraphis mutica in the Flora of North America (if available)
Google: Search Google for Pleuraphis mutica


Record Modified: 2022-12-06
Research By: TWC Staff

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