Difference between revisions of "Bromus carinatus"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Ceratochloa carinata | |name=Ceratochloa carinata | ||
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| + | |rank=species | ||
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|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Bromeae;Bromus;Bromus sect. Ceratochloa;Bromus carinatus | |hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Bromeae;Bromus;Bromus sect. Ceratochloa;Bromus carinatus | ||
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name=Bromus carinatus | name=Bromus carinatus | ||
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|authority=Hook. & Arn. | |authority=Hook. & Arn. | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché | ||
| + | |illustration copyright=Utah State University | ||
|distribution=N.Mex.;Wash.;Alaska;Alta.;B.C.;Ont.;Yukon;Colo.;Kans.;Calif.;Oreg. | |distribution=N.Mex.;Wash.;Alaska;Alta.;B.C.;Ont.;Yukon;Colo.;Kans.;Calif.;Oreg. | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_280.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Bromeae | |tribe=Poaceae tribe Bromeae | ||
Latest revision as of 16:22, 11 May 2021
Plants annual, biennial, or perennial; loosely cespitose. Culms 45-120(180) cm tall, usually less than 3 mm thick, erect. Sheaths mostly glabrous or retrorsely soft pilose, throats usually hairy; auricles sometimes present on the lower leaves; ligules 1-3.5(4) mm, glabrous or sparsely hairy, acute to obtuse, lacerate or erose; blades 8-30 cm long, 1-12 mm wide, flat or becoming involute, glabrous or sparsely pilose to pubescent on 1 or both surfaces. Panicles 5-40 cm, lax, open or erect; lower branches usually shorter than 10 cm, 1-4 per node, ascending to strongly divergent or reflexed, with 1-4 spikelets variously distributed. Spikelets 20-40 mm, shorter than at least some pedicels and branches, elliptic to lanceolate, strongly laterally compressed, not crowded or overlapping, sometimes purplish, with 4-11 florets. Glumes glabrous or pubescent; lower glumes 7-11 mm, 3-7(9)-veined; upper glumes 9-13 mm, shorter than the lowest lemma, 5-9(11)-veined; lemmas 10-16(17) mm, lanceolate, laterally compressed, strongly keeled distally, usually more or less uniformly pubescent or pubescent on the margins only, sometimes glabrous or scabrous, 7-9-veined, veins usually not raised or riblike, apices entire or with acute teeth shorter than 1 mm; awns 4-17 mm, sometimes slightly geniculate; anthers 1-6 mm. 2n = 28, 42, 56.
Distribution
N.Mex., Wash., Alaska, Alta., B.C., Ont., Yukon, Colo., Kans., Calif., Oreg.
Discussion
Bromus carinatus is native from British Columbia to Saskatchewan and south to Mexico. It has been introduced to various more eastern locations and to the southern Yukon Territory. The two varieties recognized here are sometimes recognized as species.
Selected References
None.
Key
| 1 | Most awns 8-17 mm long | Bromus carinatus var. carinatus |
| 1 | Most awns 4-7 mm long | Bromus carinatus var. marginatus |