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Straw flat-sedge

Also known as: straw-colored cyperus, false nutsedge

Cyperus strigosus L.

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Straw flat-sedge
Straw flat-sedge

Morphology

Culm
Few or solitary, erect, stout, glabrous, sharply 3-angled.
Leaves
Crowded near base, flat, narrow, longer leaves about same length as culm, 1/12 to 3/5 inch wide, margins somewhat rough.
Inflorescence
Spikes, simple or compound, cylindrical, with 20-90 spikelets radiating horizontally or ascending; stalks 4-12, unequal; bracts 3-10, leaf-like, much longer than inflorescence.
Spikelet
Numerous, flat, linear, 1/4 to 1 inch long, 5-25 flowered; scales loosely overlapping, keeled, golden-brown or "straw" color, slender pointed.
Fruit
Achene, unequally linear-3-sided, less than 1/12 inch long.

Ecology

Habitat
Moist, open ground of meadows and fields; stream, pond and lake borders; sandy or gravelly soils.
Distribution
Principally in the east 4/5 of Kansas.

Additional Notes

Comments

Straw flat-sedge can be quite variable in appearance.

Quick Facts
Plant Type
Sedge
Family
Cyperaceae - Sedge Family
Life Span
Perennial
Height
1-3 feet
Last Updated
2007-11-02
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: August, September, October