Difference between revisions of "Alnus incana"
Methodus, 424. 1794.
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
| − | |name=Betula alnus var. (ß) | + | |name=Betula alnus var. (ß) incana |
|authority=Linnaeus | |authority=Linnaeus | ||
|rank=variety | |rank=variety | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T. | + | |distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.S.;N.W.T.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Conn.;Idaho;Ill.;Ind.;Iowa;Maine;Mass.;Md.;Mich.;Minn.;Mont.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nev.;Ohio;Oreg.;Pa.;R.I.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.;Canada |
|discussion=<p>Subspecies 4 (2 in the flora).</p><!-- | |discussion=<p>Subspecies 4 (2 in the flora).</p><!-- | ||
--><p>Native Americans used <i>Alnus incana</i> medicinally to treat anemia, as an emetic, a compress or wash for sore eyes, and a diaphoretic, for internal bleeding, urinary problems, sprains, bruises or backaches, itches, flux, and piles, to cure saddle gall in horses, and when mixed with powdered bumblebees, as an aid for difficult labor (D. E. Moerman 1986).</p> | --><p>Native Americans used <i>Alnus incana</i> medicinally to treat anemia, as an emetic, a compress or wash for sore eyes, and a diaphoretic, for internal bleeding, urinary problems, sprains, bruises or backaches, itches, flux, and piles, to cure saddle gall in horses, and when mixed with powdered bumblebees, as an aid for difficult labor (D. E. Moerman 1986).</p> | ||
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|parent rank=genus | |parent rank=genus | ||
|synonyms= | |synonyms= | ||
| − | |basionyms=Betula alnus var. (ß) | + | |basionyms=Betula alnus var. (ß) incana |
|family=Betulaceae | |family=Betulaceae | ||
| − | |distribution=Alta.;B.C.;Man.;N.B.;N.S.;N.W.T. | + | |distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.S.;N.W.T.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Conn.;Idaho;Ill.;Ind.;Iowa;Maine;Mass.;Md.;Mich.;Minn.;Mont.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nev.;Ohio;Oreg.;Pa.;R.I.;Utah;Va.;Vt.;W.Va.;Wash.;Wis.;Wyo.;Canada |
|reference=None | |reference=None | ||
|publication title=Methodus, | |publication title=Methodus, | ||
Latest revision as of 14:00, 29 February 2024
Trees and shrubs, to 25 m; crowns open. Bark light to dark gray, reddish, or brown, smooth, or in age broken into irregular plates; lenticels present or absent, conspicuous, enlarged or unexpanded. Winter buds stipitate, ellipsoid, 4–7 mm, apex rounded to nearly acute; stalk 1–3 mm; scales 2–3, equal, valvate, resin-coated. Leaf blade narrowly ovate to elliptic, base cuneate to narrowly rounded, margins doubly serrate, with distinctly larger secondary teeth, apex acute or short-acuminate to obtuse. Inflorescences formed season before flowering and exposed during winter. Flowering before new growth in spring. Infructescences ovoid to nearly cylindric; peduncles relatively short and stout. Samaras elliptic to obovate, wings narrower than body, irregular in shape.
Distribution
St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.S., N.W.T., Ont., P.E.I., Que., Sask., Yukon, Alaska, Ariz., Calif., Colo., Conn., Idaho, Ill., Ind., Iowa, Maine, Mass., Md., Mich., Minn., Mont., N.Dak., N.H., N.J., N.Mex., N.Y., Nev., Ohio, Oreg., Pa., R.I., Utah, Va., Vt., W.Va., Wash., Wis., Wyo., Canada
Discussion
Subspecies 4 (2 in the flora).
Native Americans used Alnus incana medicinally to treat anemia, as an emetic, a compress or wash for sore eyes, and a diaphoretic, for internal bleeding, urinary problems, sprains, bruises or backaches, itches, flux, and piles, to cure saddle gall in horses, and when mixed with powdered bumblebees, as an aid for difficult labor (D. E. Moerman 1986).
Selected References
None.
Key
| 1 | Leaf blade thick, major teeth sharp; large shrubs of ne United States and e Canada. | Alnus incana subsp. rugosa |
| 1 | Leaf blade thin and papery, secondary teeth rounded or blunt; large shrubs or small trees of w United States, Canada. | Alnus incana subsp. tenuifolia |