(Smooth Bromegrass)


Bromus inermis, Booth Falls, Eagle Co. 4004


Bromus inermis, Silver Shekel, Breckenridge, Summit Co. 1910


Bromus inermis, Silver Shekel, Breckenridge, Summit Co. 1918

Scientific Name Bromus inermis USDA PLANTS Symbol BRIN2
Common Name Smooth Brome ITIS Taxonomic Serial No. 40502
Family Poaceae (Grass) SEINet
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Description Life zones and habitat: Plains to subalpine (4500 to 11800 ft.); common in disturbed areas, meadows, grasslands and forests; planted extensively for forage in pastures and rangelands.
Plant: Perennial grass from rhizomes; erect culms 20 to 40 inches tall, single or a few together.
Foliage: Sheaths usually smooth with auricles sometimes present; flat, smooth blades 2 to 14 inches long and up to 5/8-inch wide.
Inflorescence: Open, erect panicles 4 to 8 inches tall with ascending or spreading branches; spikelets 7/8 to 1-5/8 inches long elliptic to lanceolate, somewhat compressed, sometimes purplish, with 5 to 10 florets; glumes are smooth and unequal with lower 4-9 mm long, upper 7-10 mm; lemmas are smooth, 9-13 mm long without awns or with a short awn tip.
Bloom Period: June to September.
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