familyBetulaceae
subfamilyBetulaceae subfam. Betuloideae
genusAlnus
speciesAlnus incana
subspeciesAlnus incana subsp. tenuifolia
Difference between revisions of "Alnus incana subsp. tenuifolia"
Amer. Midl. Naturalist 58: 25. 1957.
Common names: Thinleaf alder mountain alder
Endemic
Basionym: Alnus tenuifolia Nuttall N. Amer. Sylv. 1: 48. 1842
Synonyms: Alnus incana var. occidentalis (Dippel) C. L. Hitchcock Alnus incana var. virescens S. Watson Alnus occidentalis Alnus rugosa var. occidentalis (Dippel) C. L. Hitchcock
Treatment appears in FNA Volume 3.
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|name=Alnus tenuifolia | |name=Alnus tenuifolia | ||
|authority=Nuttall | |authority=Nuttall | ||
| + | |rank=species | ||
| + | |publication_title=N. Amer. Sylv. | ||
| + | |publication_place=1: 48. 1842 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Alnus incana var. occidentalis | |name=Alnus incana var. occidentalis | ||
|authority=(Dippel) C. L. Hitchcock | |authority=(Dippel) C. L. Hitchcock | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Alnus incana var. virescens | |name=Alnus incana var. virescens | ||
|authority=S. Watson | |authority=S. Watson | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Alnus occidentalis | |name=Alnus occidentalis | ||
| − | |authority= | + | |authority= |
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Alnus rugosa var. occidentalis | |name=Alnus rugosa var. occidentalis | ||
|authority=(Dippel) C. L. Hitchcock | |authority=(Dippel) C. L. Hitchcock | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Betulaceae;Betulaceae subfam. Betuloideae;Alnus;Alnus incana;Alnus incana subsp. tenuifolia | |hierarchy=Betulaceae;Betulaceae subfam. Betuloideae;Alnus;Alnus incana;Alnus incana subsp. tenuifolia | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, to 12 m; shrubs ascending, open, spreading, trees small, shrubby. <b>Bark</b> light gray to dark brown, smooth; lenticels pale, orbiculate to elliptic. <b>Winter</b> buds nearly divergent, ellipsoid, 4–7 mm, apex obtuse; stalks 1–3 mm; scales 2, equal, valvate. <b>Leaf</b> blade ovate to elliptic, 4–10 × 2.5–8 cm, thin, base broadly cuneate to rounded, margins distinctly doubly serrate to nearly crenate or lobulate, teeth relatively blunt or rounded, apex acute to obtuse; surfaces abaxially glabrous to sparsely pubescent, slightly to not noticeably resin-coated. <b>Inflorescences</b>: staminate catkins in 1 or more clusters of 3–5, 4–10 cm; pistillate catkins in 1 or more clusters of 2–5. <b>Infructescences</b> ovoid, 1–2 × 0.8–1.3 cm; peduncles 1–5 mm. <b>2n</b> = 28.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
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|elevation=100–3000 m | |elevation=100–3000 m | ||
|distribution=Alta.;B.C.;N.W.T.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo. | |distribution=Alta.;B.C.;N.W.T.;Sask.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo. | ||
| − | |discussion=<p>Alnus incana subsp. tenuifolia is somewhat more treelike than the eastern A. incana subsp. rugosa, from which it also differs in leaf shape, leaf margins, and other characters. It is a frequent component of streamside vegetation throughout the Rocky Mountains and other mountainous parts of western North America.</p><!-- | + | |discussion=<p><i>Alnus incana </i>subsp.<i> tenuifolia</i> is somewhat more treelike than the eastern <i>A. incana </i>subsp.<i> rugosa</i>, from which it also differs in leaf shape, leaf margins, and other characters. It is a frequent component of streamside vegetation throughout the Rocky Mountains and other mountainous parts of western North America.</p><!-- |
| − | --><p>Native Americans used alnus incana subsp. tenuifolia medicinally for pains in the lungs or hips, for scrofula, as a laxative, and as a diuretic for gonorrhea (D. E. Moerman 1986).</p> | + | --><p>Native Americans used alnus incana <i></i>subsp.<i> tenuifolia</i> medicinally for pains in the lungs or hips, for scrofula, as a laxative, and as a diuretic for gonorrhea (D. E. Moerman 1986).</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Alnus incana subsp. tenuifolia | name=Alnus incana subsp. tenuifolia | ||
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|authority=(Nuttall) Breitung | |authority=(Nuttall) Breitung | ||
|rank=subspecies | |rank=subspecies | ||
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|publication year=1957 | |publication year=1957 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_386.xml |
|subfamily=Betulaceae subfam. Betuloideae | |subfamily=Betulaceae subfam. Betuloideae | ||
|genus=Alnus | |genus=Alnus | ||
|species=Alnus incana | |species=Alnus incana | ||
|subspecies=Alnus incana subsp. tenuifolia | |subspecies=Alnus incana subsp. tenuifolia | ||
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Latest revision as of 21:48, 5 November 2020
Shrubs or trees, to 12 m; shrubs ascending, open, spreading, trees small, shrubby. Bark light gray to dark brown, smooth; lenticels pale, orbiculate to elliptic. Winter buds nearly divergent, ellipsoid, 4–7 mm, apex obtuse; stalks 1–3 mm; scales 2, equal, valvate. Leaf blade ovate to elliptic, 4–10 × 2.5–8 cm, thin, base broadly cuneate to rounded, margins distinctly doubly serrate to nearly crenate or lobulate, teeth relatively blunt or rounded, apex acute to obtuse; surfaces abaxially glabrous to sparsely pubescent, slightly to not noticeably resin-coated. Inflorescences: staminate catkins in 1 or more clusters of 3–5, 4–10 cm; pistillate catkins in 1 or more clusters of 2–5. Infructescences ovoid, 1–2 × 0.8–1.3 cm; peduncles 1–5 mm. 2n = 28.
Phenology: Flowering early spring.
Habitat: Stream banks, lake shores, margins of wet fields and meadows, bog margins, and muskegs
Elevation: 100–3000 m
Distribution
Alta., B.C., N.W.T., Sask., Yukon, Alaska, Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.
Discussion
Alnus incana subsp. tenuifolia is somewhat more treelike than the eastern A. incana subsp. rugosa, from which it also differs in leaf shape, leaf margins, and other characters. It is a frequent component of streamside vegetation throughout the Rocky Mountains and other mountainous parts of western North America.
Native Americans used alnus incana subsp. tenuifolia medicinally for pains in the lungs or hips, for scrofula, as a laxative, and as a diuretic for gonorrhea (D. E. Moerman 1986).
Selected References
None.
Lower Taxa
None.