View source for Aristida oligantha

{{Treatment/ID
|accepted_name=Aristida oligantha
|accepted_authority=Michx.
|publications=
|common_names=Oldfield threeawn
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Aristidoideae;Poaceae tribe Aristideae;Aristida;Aristida oligantha
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Aristidoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Aristideae]]</div><div class="higher-taxon"><small>genus</small>[[Aristida]]</div><div class="higher-taxon"><small>species</small>[[Aristida oligantha]]</div></div>
|volume=Volume 25
|mention_page=
|treatment_page=page 326
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual. <b>Culm</b> 25-55 cm, erect or geniculate at the base, highly branched. <b>Leaves</b> cauline; sheaths usually shorter than the internodes, lowermost sheaths appressed-pilose basally; collars glabrous; ligules less than 0.5 mm; blades usually 4-12 cm long, 0.5-1.5 mm wide, flat or loosely involute, somewhat lax, glabrous or scabridulous, pale green. <b>Inflorescences</b> spicate or racemose, (5)7-20 cm long, 2-4 cm wide; primary branches rarely developed. <b>Spikelets</b> divergent, pedicels with axillary pulvini. <b>Glumes</b> unequal, glabrous, brownish-green with a purple tinge; lower glumes (9)12-22(28) mm, 3-7-veined, midvein extended into a 1-13 mm awn between 2 delicate setae; upper glumes (7)11-20(24) mm, 1-veined; calluses 0.5-2 mm; lemmas (9)12-22(23) mm, glabrous, light-colored, often mottled; awns (8)12-65(70) mm, subequal, spreading; anthers usually 1 and less than 0.5 mm, rarely 3 and 3-4 mm. <b>Caryopses</b> 8-14 mm, brown. <b>2n</b> = 22.</span><!--

-->{{Treatment/Body
|distribution=Del.;D.C;Wis.;W.Va.;Fla.;Wyo.;N.H.;N.J.;N.Mex.;Tex.;La.;Tenn.;N.C.;S.C.;Pa.;B.C.;Ont.;Conn.;Mass.;R.I.;Vt.;Kans.;Nebr.;Okla.;S.Dak.;N.Y.;Va.;Calif.;Ala.;Ark.;Ill.;Ga.;Ind.;Iowa;Ariz.;Idaho;Maine;Md.;Ohio;Mo.;Minn.;Mich.;Miss.;Ky.;Oreg.
|discussion=<p>Aristida oligantha grows in waste places, dry fields, roadsides, along railroads, and in burned areas, usually in sandy soil. It has been reported from Coahuila, Mexico, but is otherwise unknown outside southern Canada and the United States.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Aristida oligantha
|author=
|authority=Michx.
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Poaceae
|illustrator=Linda A. Vorobik and Andy Sudkamp
|distribution=Del.;D.C;Wis.;W.Va.;Fla.;Wyo.;N.H.;N.J.;N.Mex.;Tex.;La.;Tenn.;N.C.;S.C.;Pa.;B.C.;Ont.;Conn.;Mass.;R.I.;Vt.;Kans.;Nebr.;Okla.;S.Dak.;N.Y.;Va.;Calif.;Ala.;Ark.;Ill.;Ga.;Ind.;Iowa;Ariz.;Idaho;Maine;Md.;Ohio;Mo.;Minn.;Mich.;Miss.;Ky.;Oreg.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse_grained_fna_xml/V25/V25_1000.xml
|subfamily=Poaceae subfam. Aristidoideae
|tribe=Poaceae tribe Aristideae
|genus=Aristida
|species=Aristida oligantha
}}<!--

-->[[Category:Treatment]][[Category:Aristida]]