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Calamagrostis canadensis, Lincoln Park, Summit Co. 9173

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Calamagrostis canadensis, Golden Horseshoe, Summit Co. 0058

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Calamagrostis canadensis, Lincoln Park, Summit Co. 9160

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Calamagrostis canadensis, Lincoln Park, Summit Co. 9166

Scientific Name Calamagrostis canadensis USDA PLANTS Symbol CACA4
Common Name Bluejoint, Blue-joint Reedgrass ITIS Taxonomic Serial No. 40544
Family Poaceae (Grass) SEINet
Reference
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Description Life zones and habitat: Plains to alpine (5000 to 12500 ft.); moist soils in meadows and along streams.
Plant: Perennial grass from creeping rhizomes; smooth culms 20 to 60 inches tall, clustered and often branched above.
Foliage: Flat blades scabrous (rough) on both sides, less than 1/3-inch wide.
Inflorescence: Somewhat nodding open or fairly dense, branched panicles 3 to 10 inches long; spikelets with one floret 2-6 mm long; glumes subequal or the second slightly longer; lemmas quite smooth nearly as long as the glumes; erect awn inserted near the middle of the lemma.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map
Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County