RUSTY FLAT-SEDGE
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| File Size: 144 KB |
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Cyperus odoratus L.
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| Greenwood County, Kansas |
| Annual |
| Height: 4-32 inches |
| Family: Cyperaceae - Sedge Family |
| Flowering Period: August, September,October |
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| Also Called: | | Slender nutsedge, fragrant flatsedge. | | Culms: | | Erect, stout, glabrous, prominently 3-angled. | | Leaves: | | Narrow, elongated, shorter than culm, 1/10 to 2/5 inch wide, glabrous. | | Inflorescences: | | Spikes, simple or compound, loose, elongate; stalks 3-10, unequal, 2 to 4 inches long; bracts several, long, leaf-like, mostly surpassing inflorescence. | | Spikelets: | | Spikelets, numerous, linear-cylindric, spreading, up to 1.25 inch long, 4-30 flowered, easily break into sections, reddish to brownish color at maturity; scales ovate, up to 1/10 inch long, tip pointed or blunt, overlapping base of scale above. | | Fruits: | | Achenes, 3-angled, oblong, less than 1/12 inch, brown. | | Habitat: | | Marsh areas and moist margins of streams, ponds and rivers; wet sand or mud. | | Distribution: | | Throughout Kansas. | | Comments: | | Rusty flat-sedge is abundant in Kansas. This species can be quite variable in appearance. |
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| Rusty flat-sedge |  | | 156 KB | | Greenwood County, Kansas |
| | Rusty flat-sedge |  | | 77 KB | | Cherokee County, Kansas |
| | Rusty flat-sedge |  | | 116 KB | | Cherokee County, Kansas |
| | Rusty flat-sedge |  | | 107 KB | | Cherokee County, Kansas |
| | Rusty flat-sedge |  | | 136 KB | | Atchison County, Kansas |
| | Rusty flat-sedge inflorescence |  | | 103 KB | | Atchison County, Kansas |
| | Rusty flat-sedge habit |  | | 195 KB | | Atchison County, Kansas |
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