View source for Urtica urens

{{Treatment/ID
|accepted_name=Urtica urens
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 984. 1753
|year=1753
}}
|common_names=Dog nettle;burning nettle
|special_status={{Treatment/ID/Special_status
|code=W2
|label=
}}{{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms=
|hierarchy=Urticaceae;Urtica;Urtica urens
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Urticaceae]]</div><div class="higher-taxon"><small>genus</small>[[Urtica]]</div><div class="higher-taxon"><small>species</small>[[Urtica urens]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, with taproot, 1-8 dm. <b>Stems</b> simple or branched, erect. <b>Leaf</b> blades elliptic to broadly elliptic, widest near middle, 1.8-9 × 1.2-4.5 cm, base cuneate, margins coarsely serrate, serrations often with lateral lobes, apex acute; cystoliths rounded. <b>Inflorescences</b> spikelike or paniculate. <b>Flowers</b> unisexual, staminate and pistillate in same inflorescence, subsessile to short-pedunculate. <b>Pistillate</b> flowers: outer tepals ovate, 0.5-0.7 mm, inner tepals broadly ovate, 0.6-0.9 × 1.2-1.4 mm. <b>Achenes</b> ovoid, 1.5-1.8 × 1.1-1.3 mm. <b>2n</b> = 24, 26.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring–summer.
|habitat=Waste places, roadsides, pastures, barnyards, cultivated fields, rich woodlands
|elevation=0-700 m
|distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Ala.;Alaska;Ariz.;Calif.;Conn.;Fla.;Ill.;Iowa;Maine;Mass.;Mich.;Mo.;Nev.;N.H.;N.Mex.;N.Y.;Okla.;Oreg.;Pa.;R.I.;S.C.;Tex.;Vt.;Wash.;Eurasia.
|introduced=true
|discussion=<p>Within the flora, <i>Urtica urens</i> is most abundant in California and in eastern Canada. The Shuswap used it medicinally for sweatbaths and for pain from rheumatism (D. E. Moerman 1986).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Urtica urens
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Urticaceae
|phenology=Flowering spring–summer.
|habitat=Waste places, roadsides, pastures, barnyards, cultivated fields, rich woodlands
|elevation=0-700 m
|distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Ala.;Alaska;Ariz.;Calif.;Conn.;Fla.;Ill.;Iowa;Maine;Mass.;Mich.;Mo.;Nev.;N.H.;N.Mex.;N.Y.;Okla.;Oreg.;Pa.;R.I.;S.C.;Tex.;Vt.;Wash.;Eurasia.
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=W2;Introduced
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_1049.xml
|genus=Urtica
|species=Urtica urens
}}<!--

-->[[Category:Treatment]][[Category:Urtica]]