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Eastern gama grass

Tripsacum dactyloides (L.) L.

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Eastern gama grass inflorescence
Eastern gama grass leaf blades
Eastern gama grass
Eastern gama grass inflorescence
Eastern gama grass pistillate spikelet stigmas
Eastern gama grass inflorescence
Eastern gama grass staminate spikelets and anthers
Eastern gama grass pistillate spikelets
Eastern gama grass
Eastern gamagrass
Eastern gama grass
Eastern gama grass flowering

Morphology

Culm
Erect or bent abruptly below, solid, glabrous, slightly flattened and purplish at bases.
Blades
Flat, 12 to 30 inches long, .25 to 1.25 inch wide, glabrous, midrib prominent; margins rough; tips tapered to long points.
Sheath
Open, shorter than internodes, glabrous or sometimes hairy near ligules.
Ligule
Rings of short hairs.
Inflorescence
Spike-like branches, 1-4, 6 to 10 inches long.
Spikelets
Unisexual; staminate spikelets paired, 1/4 to 1/2 inch long; pairs in 2 rows on 1 side of flattened rachis at terminal ends of branches; pistillate spikelets embedded in lower 1/4 of branches, solitary, pear-shaped, 1/4 to 1/2 inch long, hard, bead-like; awns absent.

Ecology

Habitat
Moist prairies, fertile bottomland, and stream banks.
Distribution
Principally east 2/3 of Kansas.

Practical Information

Forage Value
It is palatable and very nutritious for livestock. Cattle relish this grass and can eliminate it through overgrazing. Birds and small mammals consume the seeds.

Additional Notes

Comments

Tufted from thick rhizomes; monoecious (male and female flowers occur at different locations on the same plant). It grows in clumps 1 to 4 feet in diameter. Eastern gamagrass is related to corn (Zea mays L.).

Quick Facts
Plant Type
Grass
Family
Poaceae - Grass Family
Life Span
Perennial
Height
4-8 feet
Last Updated
2021-08-27
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: June, July, August, September