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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FEATHER FINGERGRASS
Bromus rubens L.


Description

Growth habit: A weedy, annual bunchgrass with weak, spreading stems and a shallow root system.
Color: Light green when growing; light straw color when dead.
Leaves: Flat or folded, thin, and rather weak, with few or no hairs.
Inflorescence: Several slender feathery branches 1 to 3 inches long, radiating fingerlike from the end of a slender, erect stem.
Season: Warm Season
Origin: Introduced


Figure 22.—Feather fingergrass (Chloris virgata), plant and spikelet .

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Occurrence

A common roadside weed occurring usually below about 5,500 feet elevation. It occurs in all counties of the state, and is one of the first grasses to become established on bare soil.

Forage Value

Because of its local abundance this grass is valuable as forage in some locations. Like other annuals, however, it produces abundantly only after good rainfall seasons or where it receives extra moisture as runoff from adjacent areas. Although feather fingergrass is fineleaved and soft-stemmed, its palatability is low. Livestock will graze it but much prefer the perennial gramas when available.


Grazing Management

Feather fingergrass grows rapidly, and, like most of our annual grasses, appears to set seed abundantly. For these reasons it can be grazed rather closely without harming the next year’s crop. It would be unusual to manage this grass as a key species however.


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