View source for Urtica dioica

{{Treatment/ID
|accepted_name=Urtica dioica
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 984. 1753
|year=1753
}}
|common_names=Stinging nettle;ortie
|special_status={{Treatment/ID/Special_status
|code=W2
|label=
}}{{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Urticaceae;Urtica;Urtica dioica
|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 dioica]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, rhizomatous, 5-30 dm. <b>Stems</b> simple or branched, erect or sprawling. <b>Leaf</b> blades elliptic, lanceolate, or narrowly to broadly ovate, 6-20 × 2-13 cm, base rounded to cordate, margins coarsely serrate, sometimes doubly serrate, apex acute or acuminate; cystoliths rounded. <b>Inflorescences</b> paniculate, pedunculate, elongate. <b>Flowers</b> unisexual, staminate and pistillate on same or different plants, staminate ascending, the pistillate lax or recurved. <b>Pistillate</b> flowers: outer tepals linear to narrowly spatulate or lanceolate, 0.8-1.2 mm, inner tepals ovate to broadly ovate, 1.4-1.8 × 1.1-1.3 mm. <b>Achenes</b> ovoid to broadly ovoid, 1-1.3(-1.4) × 0.7-0.9 mm.</span><!--

-->{{Treatment/Body
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Nfld. and Labr. (Nfld.);Ont.;P.E.I.;Que.;Sask.;Yukon;Ala.;Alaska;Ariz.;Calif.;Colo.;Conn.;D.C.;Del.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;Mont.;N.C.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Nev.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.Dak.;Tenn.;Tex.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.;Mexico;Eurasia.
|discussion=<p>Subspecies 3 (3 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Plants unisexual, staminate and pistillate flowers on different plants; leaf blades abaxially hispid, both surfaces with stinging hairs.
|[[Urtica dioica subsp. dioica|Urtica dioica subsp. dioica]]
|-id=key-0-1
|1
|Plants unisexual, staminate and pistillate flowers mostly on same plants; leaf blades abaxially bearing stinging hairs, otherwise glabrous, puberulent, or tomentose and moderately strigose, adaxially without (rarely with a few) stinging hairs.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Stems glabrous or strigose, with a few stinging hairs; leaf blades abaxially glabrous or puberulent.
|[[Urtica dioica subsp. gracilis|Urtica dioica subsp. gracilis]]
|-id=key-0-2
|2
|Stems softly pubescent, also with stinging hairs; leaf blades abaxially tomentose to moderately strigose.
|[[Urtica dioica subsp. holosericea|Urtica dioica subsp. holosericea]]
|}
</div></div><!--

-->{{#Taxon:
name=Urtica dioica
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Urticaceae
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T.;Nfld. and Labr. (Nfld.);Ont.;P.E.I.;Que.;Sask.;Yukon;Ala.;Alaska;Ariz.;Calif.;Colo.;Conn.;D.C.;Del.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;Mont.;N.C.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Nev.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.Dak.;Tenn.;Tex.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.;Mexico;Eurasia.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=W2;Illustrated
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_737.xml
|genus=Urtica
|species=Urtica dioica
}}<!--

-->

[[Category:Treatment]]
[[Category:Urtica]]
[[Category:Revised Since Print]]