View source for Echinochloa crus-pavonis

{{Treatment/ID
|accepted_name=Echinochloa crus-pavonis
|accepted_authority=
|publications=
|common_names=Gulf barnyard grass
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Echinochloa;Echinochloa crus-pavonis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Panicoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Paniceae]]</div><div class="higher-taxon"><small>genus</small>[[Echinochloa]]</div><div class="higher-taxon"><small>species</small>[[Echinochloa crus-pavonis]]</div></div>
|volume=Volume 25
|mention_page=
|treatment_page=page 398
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual or short-lived perennials. <b>Culms</b> 30-150 cm; nodes glabrous. <b>Sheaths</b> glabrous, often purplish; ligules absent; blades 12-60 cm long, 10-25 mm wide, glabrous. <b>Panicles</b> 10-30 cm, erect or drooping, nodes sparsely hispid, hairs papillose-based, internodes glabrous; primary branches to 14 cm, nodes sometimes sparsely hispid, hairs papillose-based, internodes usually glabrous; secondary branches to 3 cm. <b>Spikelets</b> 2.5-3.4 mm long, 1.2-1.4 mm wide, disarticulating at maturity. <b>Upper</b> glumes subequal to the spikelets; lower florets sterile; lower lemmas unawned or awned, awns 3-10(15) mm, curved; lower paleas absent, vestigial, or well-developed; upper lemmas narrowly elliptic, not or scarcely exceeding the upper glumes, acute or obtuse, with a well-differentiated, early-withering tip, glabrous or pubescent at the base of the tip, hairs not forming a line across the base; anthers 0.5-0.7 mm. <b>Caryopses</b> 1.2-1.5 mm long, 1-1.3 mm wide; embryos 50-70% as long as the caryopses. <b>2n</b> = 36.</span><!--

-->{{Treatment/Body
|distribution=Puerto Rico;Md.;Kans.;Okla.;N.Mex.;Tex.;La.;Calif.;Ala.;Oreg.;Ark.;Fla.;Miss.;Mo.;Ariz.;Colo.;Utah;Nev.
|discussion=<p><i>Echinochloa crus-pavonis</i> is a native species found in scattered locations from British Columbia to Arizona, east to Florida, and south into South America. It favors marshes and wet places at lower elevations, often being found in the water.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Lower paleas more than 1/2 as long as the lemmas; panicles usually drooping
|[[Echinochloa crus var. crus-pavonis|Echinochloa crus var. crus-pavonis]]
|-id=key-0-1
|1
|Lower paleas absent or much less than 1/2 as long as the lemmas; panicles usually stiffly erect
|[[Echinochloa crus var. macera|Echinochloa crus var. macera]]
|}
</div></div><!--

-->{{#Taxon:
name=Echinochloa crus-pavonis
|authority=
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Poaceae
|illustrator=Linda A. Vorobik;Hana Pazdírková
|illustration copyright=Utah State University
|distribution=Puerto Rico;Md.;Kans.;Okla.;N.Mex.;Tex.;La.;Calif.;Ala.;Oreg.;Ark.;Fla.;Miss.;Mo.;Ariz.;Colo.;Utah;Nev.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_1114.xml
|subfamily=Poaceae subfam. Panicoideae
|tribe=Poaceae tribe Paniceae
|genus=Echinochloa
|species=Echinochloa crus-pavonis
}}<!--

-->[[Category:Treatment]][[Category:Echinochloa]]