Comments
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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).
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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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. 2 n =26.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
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.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
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Flowering spring-early fall.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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Rich, moist, deciduous forests, often along seepages and streams; 0-2000m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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Urtica canadensis Linnaeus, Sp. Pl. 2: 985. 1753; Urticastrum divaricatum (Linnaeus) Kuntze
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Laportea canadensis: Brief Summary
provided by wikipedia EN
Laportea canadensis, commonly called Canada nettle or wood-nettle, is an annual or perennial herbaceous plant of the nettle family Urticaceae, native to eastern and central North America. It is found growing in open woods with moist rich soils and along streams and in drainages.
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