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Spiked Brome - Bromus racemosus
Other Names:
Bald Brome
General Description
Annuals, culms 20-110 cm. Lower sheaths densely stiff-hairy, often retrorse; upper sheaths glabrous or pubescent; ligules 1-2 mm, glabrous or hairy, erose; blades 7-19 cm long, 1-4 mm wide, pilose on both surfaces. Panicles 4-16 cm long, 2-3 cm wide, erect, open. Spikelets 12-20 mm long, terete to moderately compressed; florets 5-6. Lower glumes 4-6 mm long, 3(5)-veined; upper glumes 4-7 mm long, 7-veined; lemmas 6.5-8 cm lon, distinctly 7(9)-veined, tips acute to obtuse with two short teeth; awns 5-9 mm, arising less than 1.5 mm below apex; anthers 1.5-3 mm (adapted from: Pavlick & Anderton, 2007, Flora N. America, Vol. 24).
Range Comments
Native to Europe and the Baltic region; throughout much of southern Canada and USA (Pavlick & Anderton, 2007, Flora North America, Vol. 24).
Observations in Montana Natural Heritage Program Database
Number of Observations: 20
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
Fields, roadsides, disturbed areas.
Management
Stewardship Responsibility
References
- Additional ReferencesLegend:
View Online Publication
Do you know of a citation we're missing?- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
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