Difference between revisions of "Apera interrupta"
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|publications= | |publications= | ||
|common_names=Interrupted windgrass | |common_names=Interrupted windgrass | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Agrostis interrupta | |name=Agrostis interrupta | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Apera;Apera interrupta | |hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Apera;Apera interrupta | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
|distribution=Wash.;Oreg.;Wis.;Wyo.;N.J.;N.Mex.;Pacific Islands (Hawaii);Ohio;N.Y.;B.C.;Ont.;Nev.;Colo.;Calif.;Ill.;Ind.;Ariz.;Idaho;Maine;Mont.;Mass.;Utah;Mo.;Mich. | |distribution=Wash.;Oreg.;Wis.;Wyo.;N.J.;N.Mex.;Pacific Islands (Hawaii);Ohio;N.Y.;B.C.;Ont.;Nev.;Colo.;Calif.;Ill.;Ind.;Ariz.;Idaho;Maine;Mont.;Mass.;Utah;Mo.;Mich. | ||
| − | |discussion=<p>Apera interrupta grows as a weed in lawns, grain fields (especially winter wheat), sandy open ground, and roadsides. Introduced from Europe, it now grows from British Columbia south to Arizona and New Mexico, as well as in Ontario and at a few scattered locations in the eastern part of the Flora region.</p> | + | |discussion=<p><i>Apera interrupta</i> grows as a weed in lawns, grain fields (especially winter wheat), sandy open ground, and roadsides. Introduced from Europe, it now grows from British Columbia south to Arizona and New Mexico, as well as in Ontario and at a few scattered locations in the eastern part of the Flora region.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Apera interrupta | name=Apera interrupta | ||
| − | |||
|authority=(L.) P. Beauv. | |authority=(L.) P. Beauv. | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda Ann Vorobik;Hana Pazdírková | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Wash.;Oreg.;Wis.;Wyo.;N.J.;N.Mex.;Pacific Islands (Hawaii);Ohio;N.Y.;B.C.;Ont.;Nev.;Colo.;Calif.;Ill.;Ind.;Ariz.;Idaho;Maine;Mont.;Mass.;Utah;Mo.;Mich. | |distribution=Wash.;Oreg.;Wis.;Wyo.;N.J.;N.Mex.;Pacific Islands (Hawaii);Ohio;N.Y.;B.C.;Ont.;Nev.;Colo.;Calif.;Ill.;Ind.;Ariz.;Idaho;Maine;Mont.;Mass.;Utah;Mo.;Mich. | ||
|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_1124.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Latest revision as of 16:22, 11 May 2021
Culms (5)10-50(75) cm, weak, slender, solitary or with several shoots, sometimes sparingly branched above the base; internodes usually longer than the sheaths. Sheaths often purplish; ligules 1.5-5 mm, acute to truncate, erose, margins decurrent; blades usually 4-12 cm long, 0.3-4 mm wide, flat or convolute when dry. Panicles 3-15(20) cm long, 0.4-1.5(3) cm wide, contracted, somewhat interrupted below; branches erect to ascending, most spikelet-bearing to within 2 mm of the base; pedicels 0.5-2 mm. Spikelets 2-2.8 mm, green or purplish; rachillas prolonged 0.2-0.6 mm. Lower glumes 1-2.2 mm; upper glumes 2-2.5(2.8) mm; lemmas 1.5-2.5 mm, slightly involute, awned, awns 4-10(16) mm; anthers 0.3-0.5 mm, often purplish brown. Caryopses 1-1.5 mm. 2n = 14, 28.
Distribution
Wash., Oreg., Wis., Wyo., N.J., N.Mex., Pacific Islands (Hawaii), Ohio, N.Y., B.C., Ont., Nev., Colo., Calif., Ill., Ind., Ariz., Idaho, Maine, Mont., Mass., Utah, Mo., Mich.
Discussion
Apera interrupta grows as a weed in lawns, grain fields (especially winter wheat), sandy open ground, and roadsides. Introduced from Europe, it now grows from British Columbia south to Arizona and New Mexico, as well as in Ontario and at a few scattered locations in the eastern part of the Flora region.
Selected References
None.