Difference between revisions of "Urtica urens"
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|distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld.;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. | |distribution=Greenland;St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld.;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. | ||
| − | |discussion=<p>Within the flora, Urtica urens 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> | + | |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= | |tables= | ||
|references= | |references= | ||
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|publication year=1753 | |publication year=1753 | ||
|special status=Weedy;Introduced | |special status=Weedy;Introduced | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V3/V3_1049.xml |
|genus=Urtica | |genus=Urtica | ||
|species=Urtica urens | |species=Urtica urens | ||
Revision as of 18:13, 18 September 2019
Herbs, annual, with taproot, 1-8 dm. Stems simple or branched, erect. Leaf 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. Inflorescences spikelike or paniculate. Flowers unisexual, staminate and pistillate in same inflorescence, subsessile to short-pedunculate. Pistillate flowers: outer tepals ovate, 0.5-0.7 mm, inner tepals broadly ovate, 0.6-0.9 × 1.2-1.4 mm. Achenes ovoid, 1.5-1.8 × 1.1-1.3 mm. 2n = 24, 26.
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., 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.
Discussion
Within the flora, Urtica urens 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).
Selected References
None.