Difference between revisions of "Bromus catharticus"
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| + | |code=I | ||
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| − | |distribution=D.C;Kans.;N.Dak.;Okla.;Pacific Islands (Hawaii);Fla.;N.J.;N.Mex.;Tex.;La.;Nebr.;Tenn.;N.C.;S.C.;Pa.;N.Y.;Nev.;Va.;Alta.;Nfld. | + | |distribution=D.C.;Kans.;N.Dak.;Okla.;Pacific Islands (Hawaii);Fla.;N.J.;N.Mex.;Tex.;La.;Nebr.;Tenn.;N.C.;S.C.;Pa.;N.Y.;Nev.;Va.;Alta.;Nfld. and Labr. (Nfld.);Ont.;Colo.;Calif.;Ala.;Ark.;Ill.;Ga.;Iowa;Ariz.;Md.;Ohio;Utah;Mo.;Miss.;Ky.;Oreg.;S.Dak. |
|tables= | |tables= | ||
|references= | |references= | ||
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|illustrator=Cindy Roché | |illustrator=Cindy Roché | ||
|illustration copyright=Utah State University | |illustration copyright=Utah State University | ||
| − | |distribution=D.C;Kans.;N.Dak.;Okla.;Pacific Islands (Hawaii);Fla.;N.J.;N.Mex.;Tex.;La.;Nebr.;Tenn.;N.C.;S.C.;Pa.;N.Y.;Nev.;Va.;Alta.;Nfld. | + | |distribution=D.C.;Kans.;N.Dak.;Okla.;Pacific Islands (Hawaii);Fla.;N.J.;N.Mex.;Tex.;La.;Nebr.;Tenn.;N.C.;S.C.;Pa.;N.Y.;Nev.;Va.;Alta.;Nfld. and Labr. (Nfld.);Ont.;Colo.;Calif.;Ala.;Ark.;Ill.;Ga.;Iowa;Ariz.;Md.;Ohio;Utah;Mo.;Miss.;Ky.;Oreg.;S.Dak. |
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_273.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 or tufted. Culms 30-120 cm tall, 2-4 mm thick, erect or decumbent. Sheaths usually densely, often retrorsely, hairy, hairs sometimes confined to the throat; auricles absent; ligules 1-4 mm, glabrous or pilose, obtuse, lacerate to erose; blades 4-30 cm long, 3-10 mm wide, flat, glabrous or hairy on both surfaces. Panicles 9-28 cm, usually open, erect or nodding; lower branches shorter than 10 cm, 1-4 per node, spreading or ascending, with up to 5 spikelets variously distributed. Spikelets (17)20-40 mm, shorter than at least some pedicels and branches, elliptic to lanceolate, strongly laterally compressed, not crowded or overlapping, with 4-12 florets. Glumes smooth or scabrous, glabrous or pubescent; lower glumes 7-12 mm, 5-7(9)-veined; upper glumes 9-17 mm, 7-9(11)-veined, shorter than the lowest lemma; lemmas 11-20 mm, lanceolate, laterally compressed, strongly keeled, usually glabrous, sometimes pubescent distally, smooth or scabrous, 9-13-veined, veins often raised and riblike, margins sometimes conspicuous, hyaline, whitish or partly purplish, apices entire or toothed, teeth acute, shorter than 1 mm; awns absent or to 10 mm; anthers 0.5-1 mm in cleistogamous florets, 2-5 mm in chasmogamous florets. 2n = 42.
Distribution
D.C., Kans., N.Dak., Okla., Pacific Islands (Hawaii), Fla., N.J., N.Mex., Tex., La., Nebr., Tenn., N.C., S.C., Pa., N.Y., Nev., Va., Alta., Nfld. and Labr. (Nfld.), Ont., Colo., Calif., Ala., Ark., Ill., Ga., Iowa, Ariz., Md., Ohio, Utah, Mo., Miss., Ky., Oreg., S.Dak.
Discussion
Selected References
None.
Key
| 1 | Awns absent or to 3.5 mm long | Bromus catharticus var. catharticus |
| 1 | Awns (5)6-10 mm long | Bromus catharticus var. elatus |