Arizona Range Grasses
Their Description, Forage Value, and Grazing Management
Cooperative Extension,College of Agriculture & Life Sciences, The University of Arizona

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STINKGRASS
Eragrostis cilianensis (All.) Vign.-Lutati ex Janchen

 


Figure 32.—Stinkgrass (Eragrostis cilianensis)

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Description

Growth habit: An annual, erect to prostrate bunchgrass, 4 to 24 inches tall.
Color: Light green to gray-green.
Leaves: Thin, flat, up to 1/4 inch wide, largely from near the base, with numerous, small, glandular depressions on margin.
Inflorescence: Erect, dark gray-green to tawny, 2 to 8 inches long.
Season: Warm Season
Origin: Native


Occurrence

A common roadside weed below 6000 feet recorded from all counties except Apache, Navajo, Mohave and Maricopa but may occur in these counties also. Particularly common in heavy bottomland soils.

 

Forage Value

Has little value as forage. Like most annual grasses, stinkgrass has a short growing season and produces a low volume of herbage. Because of the weak root system the plants tend to pull up when grazed. In part because of this, they rate low in palatability.

Grazing Management

Areas supporting little other vegetation except stinkgrass could be considered for reseeding to perennial forage species adapted to local climatic and soil conditions. Control of stinkgrass may be necessary prior to seeding to reduce competition and permit establishment of the perennials.


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Document located http://cals.arizona.edu/pubs/natresources/az1272/
published
2002
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