Blooms: May-June
Habit: herb
Duration: annual
Origin: Introduced
Distribution: Chiefly east of the Cascades in Washington; central Washington south to California, east to Idaho, Utah and Arizona.
Habitat: Common weed on overgrazed land, waste areas.
Habit: herb
Duration: annual
Origin: Introduced
Distribution: Chiefly east of the Cascades in Washington; central Washington south to California, east to Idaho, Utah and Arizona.
Habitat: Common weed on overgrazed land, waste areas.
Species Description:
General: Annual, the culms 1.5-4.5 dm. tall, finely pubescent just below the panicle.
Leaves: Sheaths closed; ligules 1.5-3 mm. long, lacerate; blades flat, 1.5-3 mm. broad, finely pubescent.
Flowers: Inflorescence a dense, ovoid, purplish panicle 3-8 cm. long, the lower branches strongly ascending, much shorter than the glumes; spikelets subsessile, stiffly erect, 5- to 9-flowered, 17-22 mm. long including the awns; glumes narrowly lanceolate, the first 8 mm. long, 1-nerved, the second 3-nerved, 2-3 mm. longer; lemmas 13-15 mm. long, the two teeth 4-5 mm. long, the awn attached between the teeth 2 cm. long, curved; stamens 2, included.
General: Annual, the culms 1.5-4.5 dm. tall, finely pubescent just below the panicle.
Leaves: Sheaths closed; ligules 1.5-3 mm. long, lacerate; blades flat, 1.5-3 mm. broad, finely pubescent.
Flowers: Inflorescence a dense, ovoid, purplish panicle 3-8 cm. long, the lower branches strongly ascending, much shorter than the glumes; spikelets subsessile, stiffly erect, 5- to 9-flowered, 17-22 mm. long including the awns; glumes narrowly lanceolate, the first 8 mm. long, 1-nerved, the second 3-nerved, 2-3 mm. longer; lemmas 13-15 mm. long, the two teeth 4-5 mm. long, the awn attached between the teeth 2 cm. long, curved; stamens 2, included.
Accepted Name:
Bromus rubens L.Synonyms:
Anisantha rubens (L.) Nevski
Bromus madritensis L.
Bromus madritensis L. ssp. rubens (L.) Husnot
Treated in Flora of the PNW as:
Bromus rubens
Additional Resources:
PNW Herbaria Specimens: View list of Bromus rubens specimens in the Consortium of Pacific Northwest Herbaria database.
WTU Herbarium Specimens: View list of Bromus rubens specimens in the WTU Herbarium database.
Washington Flora Checklist: Bromus rubens treatment.
E-Flora BC: Bromus rubens atlas page.
CalPhotos: Bromus rubens images.
USDA Plants Database: Bromus rubens.
Rod Randall
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
Richard Old
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 WA Native Plant Society |
