View source for Aristida longespica

{{Treatment/ID
|accepted_name=Aristida longespica
|accepted_authority=Poir.
|publications=
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Aristidoideae;Poaceae tribe Aristideae;Aristida;Aristida longespica
|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 longespica]]</div></div>
|volume=Volume 25
|mention_page=
|treatment_page=page 328
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual. <b>Culms</b> 15-65 cm, erect to spreading, often geniculate-based, sometimes nearly prostrate, usually much-branched. <b>Leaves</b> cauline; sheaths shorter than the internodes, not disintegrating into threadlike fibers at maturity, glabrous or sparsely pilose, hairs on the throat sometimes to 5 mm; collars glabrous; ligules about 0.5 mm; blades 5-14 cm long, 1-2 mm wide, flat to loosely involute, light green. <b>Inflorescences</b> usually paniculate, occasionally racemose or spicate, 6-22 cm long, 1-4(6) cm wide; nodes glabrous or with straight hairs, hairs to 0.3 mm; primary branches 1-4 cm, appressed to erect, rarely somewhat spreading distally, without axillary pulvini, with 2-5 spikelets per branch. <b>Spikelets</b> widely spaced to crowded. <b>Glumes</b> 2-11 mm, subequal, 1-veined, acuminate, unawned or awned, awns to 1 mm; calluses less than 1 mm; lemmas 2.5-10 mm, gray to dark purplish-brown, often horizontally banded or mottled, scabrous-hispid or glabrous, not beaked, apices only slightly narrowed, junction with the awns not evident; awns usually unequal, terete and curving up to 100° at the base, erect to reflexed distally, not disarticulating at maturity; central awns 1-27 mm; lateral awns absent or to 18 mm, shorter than the central awns; anthers 1 and 0.2-0.3 mm, or 3 and 3-4 mm. <b>Caryopses</b> 3-4 mm, light brown. <b>2n</b> = unknown.</span><!--

-->{{Treatment/Body
|distribution=Conn.;N.J.;N.Y.;Ala.;Ark.;Del.;Ga.;Md.;N.C.;S.C.;Tenn.;Va.;W.Va.;Iowa;Minn.;Ohio;Wis.;Mass.;N.H.;Ont.;Fla.;Tex.;La.;Pa.;S.Dak.;Ariz.;D.C;Wash.;Colo.;Vt.;Ill.;Ind.;Kans.;Nebr.;Okla.;Mo.;Mich.;R.I.;Miss.;Ky.
|discussion=<p><i>Aristida longespica</i> grows along roadsides and in waste places, sandy fields, and clearings in pine and oak woods of southern Ontario and the eastern and central United States. The two varieties have a similar geographic range and are often found growing together.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Central awns 8-27 mm long, lateral awns usually 6-18 mm long
|[[Aristida longespica var. geniculata|Aristida longespica var. geniculata]]
|-id=key-0-1
|1
|Central awns 1-14 mm long and/or lateral awns usually 0-5 mm long
|[[Aristida longespica var. longespica|Aristida longespica var. longespica]]
|}
</div></div><!--

-->{{#Taxon:
name=Aristida longespica
|authority=Poir.
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Poaceae
|illustrator=Linda A. Vorobik;Andy Sudkamp
|illustration copyright=Utah State University
|distribution=Conn.;N.J.;N.Y.;Ala.;Ark.;Del.;Ga.;Md.;N.C.;S.C.;Tenn.;Va.;W.Va.;Iowa;Minn.;Ohio;Wis.;Mass.;N.H.;Ont.;Fla.;Tex.;La.;Pa.;S.Dak.;Ariz.;D.C;Wash.;Colo.;Vt.;Ill.;Ind.;Kans.;Nebr.;Okla.;Mo.;Mich.;R.I.;Miss.;Ky.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V25/V25_1005.xml
|subfamily=Poaceae subfam. Aristidoideae
|tribe=Poaceae tribe Aristideae
|genus=Aristida
|species=Aristida longespica
}}<!--

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