Difference between revisions of "Laportea canadensis"
Ann. Sci. Nat., Bot., sér. 4, 1: 181. 1854.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Urtica canadensis | |name=Urtica canadensis | ||
|authority=Linnaeus | |authority=Linnaeus | ||
| + | |rank=species | ||
| + | |publication_title=Sp. Pl. | ||
| + | |publication_place=2: 985. 1753 | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Urticastrum divaricatum | |name=Urticastrum divaricatum | ||
|authority=(Linnaeus) Kuntze | |authority=(Linnaeus) Kuntze | ||
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|hierarchy=Urticaceae;Laportea;Laportea canadensis | |hierarchy=Urticaceae;Laportea;Laportea canadensis | ||
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name=Laportea canadensis | name=Laportea canadensis | ||
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|authority=(Linnaeus) Weddell | |authority=(Linnaeus) Weddell | ||
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|publication title=Ann. Sci. Nat., Bot., sér. | |publication title=Ann. Sci. Nat., Bot., sér. | ||
|publication year=1854 | |publication year=1854 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_299.xml |
|genus=Laportea | |genus=Laportea | ||
|species=Laportea canadensis | |species=Laportea canadensis | ||
Latest revision as of 21:47, 5 November 2020
Herbs, annual or perennial, rhizomatous, with tuberous roots, 3-15 dm, sparsely to densely covered with stinging hairs and nonglandular, nonstinging hairs, stipitate-glandular hairs absent. Leaf blades narrowly to broadly ovate, 6-30 × 3-18 cm, base rounded, truncate, or broadly cuneate, not auriculate, margins regularly serrate, apex acuminate. Inflorescences with staminate and pistillate flowers in separate panicles, proximal panicles staminate, distal panicles pistillate. Staminate flowers ca. 1-1.5 mm across; tepals5, equal in length; stamens5, opposite tepals; filaments slightly longer than tepals. Pistillate flowers ca. 0.5 mm; tepals 2-4, appressed, inner pair as long as ovary; ovary compressed, nearly orbicular to crescent-shaped; style persistent, feathery, 2-3 mm or more. Achenes strongly compressed, ± orbicular, ca. 2-3 mm. 2n=26.
Phenology: Flowering spring–early fall.
Habitat: Rich, moist, deciduous forests, often along seepages and streams
Elevation: 0-2000 m
Distribution
St. Pierre and Miquelon, Man., N.B., N.S., Ont., Que., Sask., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Vt., Va., W.Va., Wis., Mexico.
Discussion
Native Americans used Laportea canadensis to treat incontinence and tuberculosis, to counteract poison, as a love medicine, and to facilitate childbirth (D.E. Moerman 1986).
Selected References
None.