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Western wheatgrass

Pascopyrum smithii (Rydb.) A. Löve

[=Agropyron smithii Rydb. ]

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Western wheatgrass
Western wheatgrass
Western wheatgrass flowering
Western wheatgrass
Western wheatgrass
Western wheatgrass anthers

Morphology

Culm
Erect, solitary or in small clusters, hollow, waxy, glabrous.
Blades
Flat or rolled inward, 4 to 10 inches long, to 1/4 inch wide, rigid, bluish green waxy, rough above, prominently veined; tips tapered to sharp points.
Sheath
Shorter than internodes, open, glabrous or rough; auricles conspicuous.
Ligule
Short, membranous, notched or minutely fringed.
Inflorescence
Spikes, erect, 2-sided, 3 to 8 inches long.
Spikelets
Solitary or sometimes 2 per node, flattened, waxy, 1/2 to 1 inch long, overlapping, 3-12-flowered; glumes unequal; glume and lemma tips pointed, occasionally awned.

Ecology

Habitat
Moist to dry prairies, waste areas, ditch banks and roadsides, most abundant in fine-textured alkaline soils.
Distribution
Throughout Kansas.

Practical Information

Forage Value
Western wheatgrass is nutritious for livestock and is readily grazed during the early growth stage. It makes good quality, high-protein hay when cut during the late-bloom stage.

Additional Notes

Comments

Western wheatgrass is strongly rhizomatous and often forms loose sod. It produces seed in the spring and goes dormant in mid-summer. It sometimes grows again in the fall if soil moisture is adequate

Synonyms

Alternative scientific names that have been used for this plant.

Scientific Name: Agropyron smithii

Full Citation: Agropyron smithii Rydb.

Quick Facts
Plant Type
Grass
Family
Poaceae - Grass Family
Life Span
Perennial
Height
1-3 feet
Last Updated
2007-09-09
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: June, July, August, September