(Mountain Brome)


Bromus carinatus, Breckenridge, Summit Co. 9066


Bromus carinatus, Breckenridge, Summit Co. 9070

Scientific Name Bromus carinatus (Bromus marginatus) USDA PLANTS Symbol BRCA5
Common Name Mountain Brome, California Brome ITIS Taxonomic Serial No. 40481
Family Poaceae (Grass) SEINet
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Description Life zones and habitat: Plains to subalpine (4500 to 11500 ft.); often in moist soil and partial shade, common in disturbed areas, roadsides, meadows, wetlands and forests.
Plant: Annual or biennial tufted grass, smooth stems 20 to 40 inches tall.
Foliage: Smooth, flat blades from less than 1 to 12 inches long and less than 1/3-inch wide.
Inflorescence: Open, lax panicle with spreading branches, generally 12 to 30 cm long with 1 to 4 spikelets per branch; each spikelet strongly compressed laterally and 20 to 40 mm long and with 6 to 11 florets; glumes are smooth and unequal to nearly equal in length, with lower 7 to 11 mm long, upper 9 to 13 mm, smooth to pubescent; lemmas are usually hairy and 11 to 15 mm long with awn 4 to 8 mm long.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map
Colorado Status:

© Tom Lebsack 2024

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