QUACKGRASS
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| File Size: 126 KB |
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Elymus repens (L. ) Gould
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| [=Agropyron repens (L. ) Beauv.] |
| Tallgrass Prairie National Preserve, Chase County, Kansas |
| Perennial |
| Height: 12-40 inches |
| Family: Poaceae - Grass Family |
| Flowering Period: June, July, August |
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| Culms: | | Erect to decumbent, branched at base, hollow, glabrous, bright green or waxy. | | Blades: | | Mostly flat, 3 to 12 inches long, 1/10 to 1/2 inch wide, bright green, sparsely soft-hairy above, smooth beneath, surfaces ridged or unridged; auricles prominent. | | Sheaths: | | Usually shorter than internodes, glabrous or lower sheaths sparsely soft-hairy. | | Ligules: | | Very short, membranous, truncate. | | Inflorescences: | | Spike, erect, slender or stout, loose to compact, 2-sided, 2 to 7 inches long. | | Spikelets: | | Arranged in 2 rows, usually single at each node, erect, sessile, nearly cylindric or slightly compressed, 3-8-flowered, 2/5 to 3/5 inch long, spikelet side toward rachis; glumes shorter than spikelets, opposite or placed edge to edge on outer side of spikelet, lanceolate, 1/5 to 1/2 inch long, 3-7-nerved, slightly leathery and rigid, gradually tapering into awn or awn-point; lemmas 1/3 to 1/2 inch long, upper progressively shorter, rounded on back, strongly nerved, awnless or awns to 1/4 inch long. | | Habitat: | | Disturbed areas, pastures, roadsides, fields, lawns, and gardens; moist soils. | | Distribution: | | East 1/3 of Kansas. | | Origin: | | Introduced from Eurasia. | | Reproduction: | | By seeds and rhizomes. | | Forage Value: | | Provides fair forage for livestock and deer and can be used for hay. | | Uses: | | Turkeys and prairie chickens eat the seeds. | | Comments: | | Quackgrass is a cool season grass designated as a noxious weed in Kansas. It is aggressive and difficult to eradicate. |
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| Quackgrass |  | | 165 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Quackgrass |  | | 145 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Quackgrass |  | | 160 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Quackgrass spikelets |  | | 58 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
| | Quackgrass spikelets |  | | 74 KB | | Tallgrass Prairie National Preserve, Chase County, Kansas |
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