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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CANE BEARDGRASS*
Bothriochloa barbinodis (Lag.) Herter


Description

Growth habit: Coarse perennial bunchgrass 2 to 4 feet tall.
Color: Bluish green, curing to dull red or yellow.
Leaves: Wide, fairly long, occurring basally and on the flower stalks. When dry they cure to a reddish-brown color with a light-colored midrib.
Inflorescence: Seeds are borne in tufts of silvery hair on the end of the long seed stalks. These inflorescence are usually 2 to 4 inches long and about twice as long as wide.
Other: A ring of stiff hairs occurs at the nodes.
Season: Warm Season
Origin: Native


Figure 9.—Cane beardgrass (Bothriochloa barbinodis), plant and spikelet.

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Occurrence

At elevations of 1,000 to 5,800 feet in all counties in the state except Apache and Mohave. It is particularly abundant along graded roadsides and banks of washes or other places where the soil has been exposed. It is also common on dry, rocky or sandy slopes. On open rangeland it occurs principally in areas of water concentration.


Forage Value

Because the grass is coarse and the nutrients tend to leach out after the plants are dry, cane beardgrass is generally rated as only fair forage. During the summer when the plants are actively growing they are grazed readily, particularly by cattle and horses.


Grazing Management

Cane beardgrass is most productive when grazed during the summer when the plants are actively growing. It may be grazed during the fall and winter but the forage is of a poorer quality at that time. When grazed during the summer, some seed stalks should remain ungrazed and occasional summer deferment allowed.

*Silver beardgrass (Bothriochloa laguroides subsp torreyana) is essentially identical with cane beardgrass. All of the information given above applies also to silver beardgrass.

 

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