Page authors: Don Knoke, David Giblin
Bromus sterilis
poverty brome
Specimens
Photos

Distribution: Occurring chiefly west of the Cascades crest in Washington; Southern British Columbia to California, east to Idaho, the southern Rocky Mountains, and Texas; also in eastern North America.

Habitat: Fields, grassy balds, roadside, wastelots, and other disturbed places.

Flowers: May-July

Origin: Introduced from Europe

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Wind

Description:
General:

Annual, the culm 5-10 dm. tall, usually soft-pubescent throughout.

Leaves:

Sheaths closed; ligules 2-3 mm. long, lacerate; blades flat, 2-3 mm. broad.

Flowers:

Inflorescence a narrow panicle 8-12 cm. long, the branches shorter than the spikelets, strictly erect; spikelets 5- to 7-flowered, 2-2.5 mm. long; first glume 1-nerved, 7-10 mm. long, the second 3-nerved, 2-3 mm. longer; lemmas about 13 mm. long, obtuse, only slightly bifid, the awn up to 30 mm. long; anthers exerted; ovary strongly hairy on the upper half.

Accepted Name:
Bromus sterilis L.
Publication: Sp. Pl. 1: 77. 1753. 1753.

Synonyms & Misapplications:
Anisantha sterilis (L.) Nevski
Additional Resources:

PNW Herbaria: Specimen records of Bromus sterilis in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Bromus sterilis checklist entry

OregonFlora: Bromus sterilis information

E-Flora BC: Bromus sterilis atlas page

CalPhotos: Bromus sterilis photos

27 photographs:
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