STRAW FLAT-SEDGE
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| File Size: 167 KB |
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Cyperus strigosus L.
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| Tallgrass Prairie National Preserve, Chase County, Kansas |
| Perennial |
| Height: 1-3 feet |
| Family: Cyperaceae - Sedge Family |
| Flowering Period: August, September,October |
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| Also Called: | | Straw-colored cyperus, false nutsedge. | | Culms: | | 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. | | Inflorescences: | | 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. | | Spikelets: | | Numerous, flat, linear, 1/4 to 1 inch long, 5-25 flowered; scales loosely overlapping, keeled, golden-brown or "straw" color, slender pointed. | | Fruits: | | Achene, unequally linear-3-sided, less than 1/12 inch long. | | 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. | | Comments: | | Straw flat-sedge can be quite variable in appearance. |
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| Straw flat-sedge |  | | 104 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
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