View source for Urochloa texana

{{Treatment/ID
|accepted_name=Urochloa texana
|accepted_authority=(Buckley) R.D. Webster
|publications=
|common_names=Texas signalgrass;Texas millet
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Panicum texanum
|authority=
|rank=species
}} {{Treatment/ID/Synonym
|name=Brachiaria texana
|authority=
|rank=species
}}
|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Urochloa;Urochloa texana
|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>[[Urochloa]]</div><div class="higher-taxon"><small>species</small>[[Urochloa texana]]</div></div>
|volume=Volume 25
|mention_page=
|treatment_page=page 495
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism growth form"><b>Plants </b>annual.</span> <span class="statement" id="st-d0_s1" data-properties="culm atypical some measurement;culm some measurement;culm orientation;culm orientation"><b>Culms </b>(20) 40-200 cm, erect or decumbent;</span> <span class="statement" id="st-d0_s2" data-properties="node pubescence">nodes puberulent;</span> <span class="statement" id="st-d0_s3" data-properties="internode pubescence">internodes pubescent, at least below the nodes.</span> <span class="statement" id="st-d0_s4" data-properties="hair architecture;margin architecture or pubescence or shape"><b>Sheaths </b>usually with papillose-based hairs, margins shortly ciliate;</span> <span class="statement" id="st-d0_s5" data-properties="collar pubescence">collars pubescent;</span> <span class="statement" id="st-d0_s6" data-properties="ligule some measurement">ligules 1-1.8 mm;</span> <span class="statement" id="st-d0_s7" data-properties="blade length;blade width;blade pubescence;margin architecture or pubescence or shape;margin pubescence or relief">blades 7-24 cm long, 5-20 mm wide, softly pubescent on both surfaces, margins ciliate basally, scabrous distally.</span> <span class="statement" id="st-d0_s8" data-properties="panicle length;panicle width;primary branch shape;rank quantity"><b>Panicles </b>8-24 cm long, 1-3 cm wide, with spikelike primary branches in more than 2 ranks;</span> <span class="statement" id="st-d0_s9" data-properties="primary branch length;primary branch width;primary branch orientation;axis shape;axis pubescence;hair architecture">primary branches 1-8 cm long, 0.3-0.4 mm wide, appressed to ascending, axes triquetrous, pubescent, with some papillose-based hairs;</span> <span class="statement" id="st-d0_s10" data-properties="secondary branch presence;secondary branch height or length or size;secondary branch fixation or orientation">secondary branches present on the lower branches, short, appressed;</span> <span class="statement" id="st-d0_s11" data-properties="pedicel height or length or size;hair architecture">pedicels shorter than the spikelets, usually with papillose-based hairs distally.</span> <span class="statement" id="st-d0_s12" data-properties="spikelet length;spikelet width;spikelet arrangement;spikelet fixation or orientation;row quantity"><b>Spikelets </b>4.8-6 mm long, 1.8-2 mm wide, mostly paired, in 2-4 rows, appressed to the branches.</span> <span class="statement" id="st-d0_s13" data-properties="glume arrangement;rachilla internode height or length or size;rachilla internode prominence"><b>Glumes </b>scarcely separate, rachilla internodes short, not pronounced;</span> <span class="statement" id="st-d0_s14" data-properties="lower glume some measurement;lower glume quantity;lower glume architecture;lower glume pubescence;lower glume pubescence">lower glumes 2.4-3.2 mm, to 1/2 as long as the spikelets, 5-7-veined, glabrous or sparsely pubescent distally;</span> <span class="statement" id="st-d0_s15" data-properties="upper glume some measurement;upper glume pubescence;upper glume pubescence;upper glume architecture">upper glumes 4-5.5 mm, glabrous or sparsely pilose, 7-9-veined;</span> <span class="statement" id="st-d0_s16" data-properties="lower floret architecture">lower florets staminate (sterile);</span> <span class="statement" id="st-d0_s17" data-properties="lower lemma some measurement;lower lemma pubescence;lower lemma pubescence;lower lemma architecture">lower lemmas 4.7-6 mm, glabrous or sparsely pilose, 5-veined;</span> <span class="statement" id="st-d0_s18" data-properties="lower palea presence">lower paleas present;</span> <span class="statement" id="st-d0_s19" data-properties="upper lemma length;upper lemma width;apex shape;apex architecture or shape">upper lemmas 3.6-4.1 mm long, 1.7-1.9 mm wide, apices acute, beaked;</span> <span class="statement" id="st-d0_s20" data-properties="anther atypical some measurement;anther some measurement">anthers (1.6) 2.2-2.7 mm.</span> <span class="statement" id="st-d0_s21" data-properties="caryopsis some measurement"><b>Caryopses </b>2-3 mm;</span> <span class="statement" id="st-d0_s22" data-properties="">hilas linear, about 1/2 as long as the caryopses.</span> <span class="statement" id="st-d0_s23" data-properties="hila arrangement or course or shape;hila quantity;2n chromosome quantity">2n = 54.</span><!--

-->{{Treatment/Body
|distribution=Va.;Mass.;Miss.;Tex.;La.;Calif.;N.C.;Ala.;Kans.;Ark.;N.Mex.;Ga.;S.C.;Okla.;Ky.;Ariz.;Fla.;Mo.;Md.
|discussion=<p>Urochloa texana grows in sandy, moist soils from the southern United States to northern Mexico. Populations in the United States outside of Texas may represent relatively recent introductions.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Urochloa texana
|authority=(Buckley) R.D. Webster
|rank=species
|parent rank=genus
|synonyms=Panicum texanum;Brachiaria texana
|basionyms=
|family=Poaceae
|illustrator=Linda A. Vorobik;Cindy Roché
|illustration copyright=Utah State University
|distribution=Va.;Mass.;Miss.;Tex.;La.;Calif.;N.C.;Ala.;Kans.;Ark.;N.Mex.;Ga.;S.C.;Okla.;Ky.;Ariz.;Fla.;Mo.;Md.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V25/V25_1315.xml
|subfamily=Poaceae subfam. Panicoideae
|tribe=Poaceae tribe Paniceae
|genus=Urochloa
|species=Urochloa texana
|2n chromosome quantity=54
|anther atypical some measurement=1.6
|anther some measurement=2.2mm;2.7mm
|apex architecture or shape=beaked
|apex shape=acute
|axis pubescence=pubescent
|axis shape=triquetrous
|blade length=7cm;24cm
|blade pubescence=pubescent
|blade width=5mm;20mm
|caryopsis some measurement=2mm;3mm
|collar pubescence=pubescent
|culm atypical some measurement=20
|culm orientation=decumbent;erect
|culm some measurement=40cm;200cm
|glume arrangement=separate
|hair architecture=papillose-based;papillose-based;papillose-based
|hila arrangement or course or shape=linear
|hila quantity=1/2
|internode pubescence=pubescent
|ligule some measurement=1mm;1.8mm
|lower floret architecture=staminate
|lower glume architecture=5-7-veined
|lower glume pubescence=pubescent;glabrous
|lower glume quantity=0;1/2
|lower glume some measurement=2.4mm;3.2mm
|lower lemma architecture=5-veined
|lower lemma pubescence=pilose;glabrous
|lower lemma some measurement=4.7mm;6mm
|lower palea presence=absent
|margin architecture or pubescence or shape=ciliate;ciliate
|margin pubescence or relief=scabrous
|node pubescence=puberulent
|panicle length=8cm;24cm
|panicle width=1cm;3cm
|pedicel height or length or size=shorter
|primary branch length=1cm;8cm
|primary branch orientation=appressed;ascending
|primary branch shape=spikelike
|primary branch width=0.3mm;0.4mm
|rachilla internode height or length or size=short
|rachilla internode prominence=not pronounced
|row quantity=2;4
|secondary branch fixation or orientation=appressed
|secondary branch height or length or size=short
|secondary branch presence=absent
|spikelet arrangement=paired
|spikelet fixation or orientation=appressed
|spikelet length=4.8mm;6mm
|spikelet width=1.8mm;2mm
|upper glume architecture=7-9-veined
|upper glume pubescence=pilose;glabrous
|upper glume some measurement=4mm;5.5mm
|upper lemma length=3.6mm;4.1mm
|upper lemma width=1.7mm;1.9mm
|whole_organism duration=annual
|whole_organism growth form=plant
}}<!--

-->[[Category:Treatment]][[Category:Urochloa]]