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June grass

Koeleria macrantha (Ledeb.) J.A. Schultes

[=Koeleria pyramidata (Lam.) Beauv. ]

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Mature June grass
June grass
June grass inflorescences
June grass
Mature June grass
June grass inflorescence
June grass inflorescence
June grass

Morphology

Culm
Erect, hollow, finely hairy below inflorescences.
Blades
Mostly basal, flat or rolled inward, 1 to 7 inches long, about 1/10 inch wide, erect or stiffly ascending, glabrous or hairy, finely ribbed beneath, coarsely ribbed above; tips boat-shaped.
Sheath
Mostly longer than internodes, distinctly veined, lower portion hairy, collar margins long-hairy.
Ligule
Membranous, whitish, irregularly notched.
Inflorescence
Panicles, dense, erect, 1.5 to 6 inches tall, sometimes interrupted, tapered toward tips, minutely hairy; branches spreading or ascending at flowering, contracting later.
Spikelets
2-4-flowered, flattened laterally, to 1/4 inch long; glumes about equal in length, unlike in shape; lemmas slightly longer than glumes; tips pointed, rarely awned.

Ecology

Habitat
Dry upland prairies and open woods.
Distribution
Throughout except southwest corner of Kansas.

Practical Information

Forage Value
June grass is a good forage grass but plants usually are scattered, leading to low utilization by livestock.

Additional Notes

Comments

Tufted. June grass varies greatly in size, inflorescence shape, and amount of pubescence. June grass was named for Georg Ludwig Koeler, (1765-1807), a professor in Germany and a student of grasses.

Synonyms

Alternative scientific names that have been used for this plant.

Scientific Name: Koeleria pyramidata

Full Citation: Koeleria pyramidata Beauv.

Quick Facts
Plant Type
Grass
Family
Poaceae - Grass Family
Life Span
Perennial
Height
8-24 inches
Last Updated
2021-08-27
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: May, June, July