SCHWEINITZ'S FLAT-SEDGE
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| File Size: 134 KB |
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Cyperus schweinitzii Torr.
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| Russell County, Kansas |
| Perennial |
| Height: 8-32 inches |
| Family: Cyperaceae - Sedge Family |
| Flowering Period: June, July, August, September |
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| Culms: | | Erect or ascending, 3-sided, usually rough near tip. | | Leaves: | | Usually flat but edges occasionally rolled under, seldom reaching inflorescence, up to 1/3 inch wide; margins very rough. | | Inflorescences: | | Cluster of 1-2 sessile spikes and 2-8 short spikes on ascending stalks 1 to 5 inches long; spikes oblong to egg-shaped, each with 5-18 spikelets; involucral bracts 3-6, strongly ascending, as long or much exceeding inflorescence. | | Spikelets: | | Spikelets ascending, flattened, 8-18 flowered, 1.2 to 1 inch long; scales egg-shaped, firm, conspicuously nerved, pointed; stamens 3; style 3-cleft. | | Fruits: | | Achene, ellipsoid, 3-sided, up to 1/10 inch long, brown or black. | | Habitat: | | Lowland prairies or sand hills; sandy soils. | | Distribution: | | Throughout Kansas, but infrequently in southeast corner. | | Forage Value: | | The Kiowa considered it good horse fodder. | | Comments: | | Named for Lewis David von Schweinitz, 1780-1834, the German-born Pennsylvania clergyman who discovered it. |
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| Schweinitz's flat-sedge inflorescence |  | | 100 KB | | Russell County, Kansas |
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