Difference between revisions of "Polypogon interruptus"
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name=Polypogon interruptus | name=Polypogon interruptus | ||
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|authority=Kunth | |authority=Kunth | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Colo.;N.Mex.;Tex.;La.;Utah;Calif.;Nebr.;Wis.;N.Y.;Pacific Islands (Hawaii);Wyo.;Okla.;Wash.;Ariz.;Oreg.;Nev. | |distribution=Colo.;N.Mex.;Tex.;La.;Utah;Calif.;Nebr.;Wis.;N.Y.;Pacific Islands (Hawaii);Wyo.;Okla.;Wash.;Ariz.;Oreg.;Nev. | ||
|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_934.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Latest revision as of 16:26, 11 May 2021
Plants perennial, often flowering the first year. Culms 20-80 (90) cm, more or less decumbent. Sheaths smooth; ligules 2-6 mm, scabridulous-pubescent; blades 5-9 cm long, 3-6 mm wide. Panicles 3-15 cm long, 0.5-3 cm wide, usually interrupted or lobed; pedicels not developed; stipes 0.2-0.7 mm. Glumes 2-3 mm, subequal, scabrous, larger prickles extending up the keel beyond midlength, not tapering to the apices, apices acute to truncate, unlobed or the lobes to 0.1 mm, awned, awns 1.5-3.2 mm, those of the lower and upper glumes subequal; lemmas 0.8-1.5 mm, glabrous, smooth and shiny, apices obtuse, not emarginate, awned, awns 1-3.2 mm; paleas about 3/4 as long as the lemmas; anthers 0.5-0.7 mm. 2n = 28, 42.
Distribution
Colo., N.Mex., Tex., La., Utah, Calif., Nebr., Wis., N.Y., Pacific Islands (Hawaii), Wyo., Okla., Wash., Ariz., Oreg., Nev.
Discussion
Polypogon interruptus grows in moist soil at lower elevations. It is native to the Western Hemisphere, extending south from the western United States into northern Mexico, and through the American tropics to Argentina and Bolivia. The more eastern records may indicate introductions; it is not known whether or not the species persists at these locations.
Selected References
None.