HYBRID FLAT-SEDGE
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| File Size: 86 KB |
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Cyperus xmesochorus Geise
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| Tallgrass Prairie National Preserve, Chase County, Kansas |
| Perennial |
| Height: Up to 30 inches |
| Family: Cyperaceae - Sedge Family |
| Flowering Period: July, August, September,October |
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| Culms: | | Erect, glabrous or rarely slightly rough. | | Leaves: | | Blades occasionally reaching inflorescences, up to 1/4 inch wide, glabrous. | | Inflorescences: | | Spikes, central 1-3 sessile, lateral 2-10 spreading or slightly ascending on unequal rays to 3.5 inches long, condensed, hemispheric or ellipsoid. | | Flowers: | | Spiklets 5-15, ascending, flattened, 1/2 to 1 inch long, to 18-flowered, radiating from common point; scales ovate, 9-15-nerved; margins rough; tips abruptly short-pointed. | | Fruits: | | Achenes, ellipsoid, 3-angled, less than 1/8 inch long, pale brown, 1-seeded. | | Comments: | | Rhizomatous. Cyperus xmesochorus is a hybrid between Cyperus lupulinus (Spreng.) Marcks and Cyperus schweinitzii Torr. It is common and widespread. |
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| Hybrid flat-sedge |  | | 83 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Hybrid flat-sedge |  | | 125 KB | | Russell County, Kansas |
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