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| Quackgrass - Elymus repens (L.) Gould |
| Home > quackgrass |
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| Quackgrass collar region. |
Quackgrass seedhead. |
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| Patch of quackgrass. |
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Life cycle: Erect, rhizomatous perennial.
Leaves: Leaves are rolled in the bud, hairless to sparsely hairy above and up to 8 inches long. Leaf sheaths are hairless except those near the base, which may be sparsely hairy. Clasping, clawlike auricles are present at the collar region.
Ligule: Very short, membranous ligule.
Stems: Erect and clump-forming, up to 4 feet tall. Plants spread by thin, yellowish to white, sharp-tipped rhizomes.
Flowers and fruit: The seedhead is a 2- to 10-inch-long, slender, unbranched spike made up of several alternating spikelets arranged edgewise on the stem. Each spikelet contains up to eight straw-colored, lance-shaped seeds. Each seed has a short to prominent awn.
Reproduction: Seeds and rhizomes. |
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| Sharp-tipped rhizome of quackgrass. |
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