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Prairie wedgegrass

Also known as: Prairie wedgescale

Sphenopholis obtusata (Michx.) Scribn.

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Prairie wedgegrass inflorescence
Prairie wedgegrass inflorescence
Prairie wedgegrass
Prairie wedgegrass habit
Prairie wedgegrass inflorescence
Prairie wedgegrass leaves
Prairie wedgegrass habit

Morphology

Culm
Tufted. Culms erect or ascending, glabrous.
Blades
Leaves basal and cauline; blades linear, 2--6 inches long, to 1/3 inch wide, flat, pubescent or rough.
Sheath
Sheaths shorter than internodes, cylindric, open, pubescent or glabrous.
Ligule
Membrane, to 1/8 inch, margin jagged, minutely hairy.
Inflorescence
Panicles, pale green, usually erect, 2--8 inches long, contracted; branches ascending.
Spikelets
Spikelets densely arranged, to 1/8 inch long, shiny; on pedicels; florets 2, awnless; rachilla extending beyond floret base as bristle; lower glume narrow, to 1/3 as wide as upper; upper glume obovate, tip rounded; lemmas oblong-elliptic, tip bluntly to sharply pointed.

Ecology

Habitat
Prairies, pastures, meadows, marshes, open woods, stream banks, pond margins, waste places; moist soils.
Distribution
Statewide

Practical Information

Forage Value
Provides good forage for cattle and horses, fair for sheep. Prairie wedgegrass makes good hay when harvested early.
Quick Facts
Plant Type
Grass
Family
Poaceae - Grass Family
Life Span
Perennial
Height
8 to 48 inches
Origin
Native
Last Updated
2023-01-16
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: May, June, July