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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DESERT SALTGRASS
Distichlis spicata (L.) Greene


Description

Growth habit: A low-growing, rather harsh sodgrass with tough, scaly, creeping rootstocks.
Color: Blue-green to gray-green.
Leaves: Sharp, folded or inrolled for part of their length; rather stiff.
Inflorescence: Erect from the creeping rootstock, borne on short stems usually 4 to 15 inches tall. The heads frequently become yellowish as the seeds mature.
Season: Warm Season
Origin: Native


Figure 26.—Desert saltgrass (Distichlis spicata), plant and female spikelet .

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Occurrence

Most common in Apache, Navajo, Coconino, Pinal, Yuma, Cochise, and Pima counties. Usually found on subirrigated alkali flats or on alkaline soil near springs or stream beds. In Arizona it rarely occurs above 6,000 feet.

Forage Value

Although rather harsh, desert saltgrass is usually rated as fair to good forage because it stays green when most other grasses are dry.


Grazing Management

Growing, as it does, on subirrigated soils, desert saltgrass can generally be used to best advantage during the spring and fall drought periods when most of the upland grasses are dry. As it generally grows along streams or around springs, seeps, or other local wet spots, this grass is usually grazed as long as it is green. For best production, however, it should not be grazed closely the year around.


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