Distribution: British Columbia south to Mexico, east to Rocky Mountains.
Habitat: Grasslands, meadows, and forest openings from sea level to subalpine.
Flowers: May-August
Origin: Native
Growth Duration: Annual, Biennial, Perennial
Conservation Status: Not of concern
Pollination: Wind
Perennial, the culms 3-10 dm. tall, glabrous to pubescent.
Sheaths closed, usually pubescent; auricles tiny, if any; ligules 1-3 mm. long; blades nearly flat, glabrous or pubescent, 3-12 mm. broad.
Inflorescence a narrow panicle 10-25 cm. long, the branches usually ascending; spikelets 2-3 cm. long, strongly compressed, 5- to 10-flowered; glumes lanceolate-acuminate, keeled, the first 5-9 mm. long, the second nearly twice as long; lemmas keeled, shallowly bifid at the tip, with a straight awn 3-15 mm. long.
Utricle
Publication: Phytoneuron 2016-36: 2. 2016.
Bromus carinatus Hook. & Arn. var. californicus Shear
Bromus carinatus Hook. & Arn. var. carinatus [HC]
Bromus carinatus Hook. & Arn. var. hookerianus (Thurb.) Shear
Ceratochloa carinata (Hook. & Arn.) Tutin
PNW Herbaria: Specimen records of Bromus sitchensis var. carinatus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Bromus sitchensis var. carinatus checklist entry
OregonFlora: Bromus sitchensis var. carinatus information
E-Flora BC: Bromus sitchensis var. carinatus atlas page
CalPhotos: Bromus sitchensis var. carinatus photos
