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Canada wild rye

Elymus canadensis L.

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Canada wild rye mature inflorescences
Canada wild rye habit
Canada wild rye inflorescence
Canada wild rye inflorescences
Canada wild rye
Canada wild rye inflorescence
Canada wild rye inflorescence
Canada wild rye
Canada wild rye
Canada wild rye
Canada wild rye

Morphology

Culm
Erect, slender to stout, hollow, glabrous, green or blue-green waxy.
Blades
Flat or rolled inward, 4-16 inches long, .25 to .5 inch wide, slightly narrowed toward bases, midrib prominent beneath, rough or bristly-hairy above; margins fine-toothed; tips tapered to fine points.
Sheath
Mostly longer than internodes, rounded, usually glabrous; auricles prominent, finger-like, clasping.
Ligule
Short, membranous, entire or notched.
Inflorescence
Spikes, dense, erect or nodding, 3-12 inches long, occasionally interrupted below, terminal.
Spikelets
1-4 per node, overlapping, slightly spreading, sessile, 2-7-flowered; glumes equal, shorter than first lemma; lemma awns .5 to 1.5 inch long, outward curving at maturity.

Ecology

Habitat
Moist or dry open prairies, stream banks, ditches, and disturbed areas, more abundant on sandy or rocky soils.
Distribution
Throughout Kansas.

Practical Information

Toxicity
Ergot can infest the inflorescence and is potentially dangerous to livestock.
Forage Value
Canada wild rye is very palatable and nutritious and is readily grazed by livestock. The forage value decreases with age.

Additional Notes

Comments

Tufted. Sometimes called "nodding wild rye" because of the arching heads. It is winter hardy and grows as far north as southern Alaska.

Quick Facts
Plant Type
Grass
Family
Poaceae - Grass Family
Life Span
Perennial
Height
3-6 feet
Last Updated
2021-08-27
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: July, August