Scientific Name | Dactylis glomerata | USDA PLANTS Symbol | DAGL |
Common Name | Orchard Grass | ITIS Taxonomic Serial No. | 193446 |
Family | Poaceae (Grass) | SEINet Reference |
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Description | Life zones and habitat: Plains to montane (4500 to 10500 ft.); moist soils in meadows and along streams, roadsides and disturbed areas. Plant: Perennial bunchgrass 8 to 55 inches tall, growing from short rhizomes, with stems erect or prostrate from the base and rising at a lower node. Foliage: Both basal and alternate leaves on the lower half of the sheath (stem), 4 to 18 inches long, up to 1/2-inch wide, mostly flat, hairless but usually rough along the edges, and light green to dark blue-green; sheaths are hairless, smooth to slightly rough and the edges are fused for at least half the sheath length; thin ligule (membrane where the leaf joins the sheath) up to ~3/8-inch long, often shredded at the tip. Inflorescence: Somewhat triangular, one-sided panicle 2 to 8 inches long, densely crowded with spikelets, each spikelet about 1/4 to 1/3 inch long with 2 to 6 florets; florets surrounded by a pair of bracts (lemma and palea), the lemma less than 1/3-inch long with a keel that is coarsely ciliate and extending to an awn about 1 mm long; each floret has 3 protruding stamens with white filaments and yellowish anthers. Bloom Period: June to September. References: "Flora of Colorado" by Jennifer Ackerfield, Illinois Wildflowers, USDA Natural Resources Conservation Service and Minnesota Wildflowers. Note: Introduced to North America from Europe as a forage crop over 200 years ago and is still used for hay and pasture today. |
BONAP Distribution Map![]() |
Colorado Status: Introduced |
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