SIDE-OATS GRAMA
File Size: 68 KB
 
Bouteloua curtipendula   (Michx. ) Torr.
Konza Prairie, Riley County, Kansas
Perennial
Height: 10 - 40 inches
Family: Poaceae - Grass Family
Flowering Period:   July, August, September
Culms: Erect, solid, glabrous, purplish at nodes, arising in clumps or few together.
Blades: Numerous, flat, 2-12 inches long, less than 1/5 inch wide, glabrous below, rough above; margins with hairs arising from tiny blister-like bumps, particularly near ligules.
Sheaths: Usually shorter than internodes, finely ridged, glabrous below or soft-hairy near summit.
Ligules: Fringed or notched membranes, short.
Inflorescences: Panicles, 3-16 inches long; branches 12-60, 1/2 to 3/4 inch long, angled to 1 side of slightly zigzag rachis, flag-like.
Spikelets: 3-8 per branch; florets 2 per spikelet, 1 perfect, 1 imperfect; glumes unequal; lemmas with 3 short, unequal awns.
Habitat: Rocky hillsides and dry, open grassland, in fine-textured limestone or chalk soils.
Distribution: Throughout Kansas.
Forage Value: Side-oats grama is a high-quality and nutritious forage readily consumed by livestock. It makes good hay and tolerates drought well.
Comments: Rhizomatous. "Side-oats" refers to the small, oat-like clusters of florets that hang uniformly on 1 side of the stem. Side-oats grama is the state grass of Texas.

Side-oats grama
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Konza Prairie, Riley County, Kansas
Side-oats grama anthers and stigmas
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Konza Prairie, Riley County, Kansas
Side-oats grama sheath and ligule
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Konza Prairie, Riley County, Kansas
Side-oats grama
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Konza Prairie, Riley County, Kansas
Side-oats grama anthers
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Konza Prairie, Riley County, Kansas
Side-oats grama
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Riley County, Kansas
Side-oats grama
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Barber County, Kansas