Difference between revisions of "Salix glauca var. acutifolia"

(Hooker) C. K. Schneider

Bot. Gaz. 66: 327. 1918.

IllustratedEndemic
Basionym: Salix villosa var. acutifolia Hooker Fl. Bor.-Amer. 2: 145. 1838
Synonyms: Salix desertorum Richardson Salix glauca subsp. acutifolia (Hooker) Hultén Salix glauca var. alicea C. R. Ball Salix glauca subsp. desertorum (Richardson) Andersson ex Hultén Salix glauca var. perstipula Raup Salix glauca var. poliophylla (C. K. Schneider) Raup Salix glauca var. sericea Hultén
Treatment appears in FNA Volume 7. Treatment on page 91. Mentioned on page 86, 89, 90.
FNA>Volume Importer
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|year=1918
 
|year=1918
 
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|basionyms={{Treatment/ID/Basionym
 
|name=Salix villosa var. acutifolia
 
|name=Salix villosa var. acutifolia
 
|authority=Hooker
 
|authority=Hooker
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|rank=variety
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|publication_title=Fl. Bor.-Amer.
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|publication_place=2: 145. 1838
 
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}}
 
|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Salix desertorum
 
|name=Salix desertorum
 
|authority=Richardson
 
|authority=Richardson
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|rank=species
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Salix glauca subsp. acutifolia
 
|name=Salix glauca subsp. acutifolia
 
|authority=(Hooker) Hultén
 
|authority=(Hooker) Hultén
 +
|rank=subspecies
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Salix glauca var. alicea
 
|name=Salix glauca var. alicea
 
|authority=C. R. Ball
 
|authority=C. R. Ball
 +
|rank=variety
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Salix glauca subsp. desertorum
 
|name=Salix glauca subsp. desertorum
 
|authority=(Richardson) Andersson ex Hultén
 
|authority=(Richardson) Andersson ex Hultén
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|rank=subspecies
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Salix glauca var. perstipula
 
|name=Salix glauca var. perstipula
 
|authority=Raup
 
|authority=Raup
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|rank=variety
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Salix glauca var. poliophylla
 
|name=Salix glauca var. poliophylla
 
|authority=(C. K. Schneider) Raup
 
|authority=(C. K. Schneider) Raup
 +
|rank=variety
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Salix glauca var. sericea
 
|name=Salix glauca var. sericea
 
|authority=Hultén
 
|authority=Hultén
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|rank=variety
 
}}
 
}}
 
|hierarchy=Salicaceae;Salix;Salix subg. Chamaetia;Salix sect. Glaucae;Salix glauca;Salix glauca var. acutifolia
 
|hierarchy=Salicaceae;Salix;Salix subg. Chamaetia;Salix sect. Glaucae;Salix glauca;Salix glauca var. acutifolia
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name=Salix glauca var. acutifolia
 
name=Salix glauca var. acutifolia
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|authority=(Hooker) C. K. Schneider
 
|authority=(Hooker) C. K. Schneider
 
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|publication title=Bot. Gaz.
 
|publication title=Bot. Gaz.
 
|publication year=1918
 
|publication year=1918
|special status=
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|special status=Illustrated;Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V7/V7_99.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_99.xml
 
|genus=Salix
 
|genus=Salix
 
|subgenus=Salix subg. Chamaetia
 
|subgenus=Salix subg. Chamaetia

Latest revision as of 22:37, 5 November 2020

Plants 0.3–6 m. Stems: branches red-brown or brownish, villous or pilose to glabrescent; branchlets densely villous to glabrescent. Leaves: stipules marcescent, rudimentary or foliaceous on early ones, foliaceous on late ones, usually prominent, linear to lanceolate, 2–17 mm, apex acuminate; petiole 4–27 mm, pilose adaxially; largest medial blade oblanceolate or obovate to narrowly elliptic, 43–82 × 12–39 mm, 2.2–4.8 times as long as wide, base cuneate or convex, apex acuminate or convex, abaxial surface very densely to sparsely villous-tomentose or short-silky, hairs straight, wavy, or curved, adaxial long-silky or pilose to glabrescent; proximal blade margins entire; juvenile blade densely villous or long-silky. Catkins: staminate 19–45 × 9–17 mm, flowering branchlet 2–9 mm; pistillate slender to stout, 24–83 × 8–17 mm, flowering branchlet 3–37 mm; floral bract tawny, light brown, or bicolor, 1.5–2.5 mm, apex convex to rounded, hairs wavy. Staminate flowers: abaxial nectary 0.1–0.6 mm, adaxial nectary narrowly oblong, oblong, or square, 0.6–0.9 mm; filaments distinct, glabrous. Pistillate flowers: adaxial nectary sometimes flask-shaped; stipe 0.5–2.8 mm; ovary obclavate or pyriform, densely tomentose, short-silky, or pubescent, beak gradually tapering to styles; ovules 12–22 per ovary; styles connate to distinct 1/2 their lengths, 0.3–1.4 mm; stigmas slenderly to broadly cylindrical, 0.4–0.59–0.8 mm. Capsules 5–9 mm. 2n = 76, 95, 114.


Phenology: Flowering late May-early Jul.
Habitat: Wet to mesic thickets, black spruce treed bogs, white spruce woods, floodplains, fens, swamps, subarctic thickets, alpine tundra
Elevation: 0-1200 m

Distribution

V7 99-distribution-map.gif

B.C., N.W.T., Yukon, Alaska.

Discussion

Hybrids:

Variety acutifolia forms natural hybrids with Salix arctica and S. niphoclada.

Variety acutifolia × Salix niphoclada, known from Alaska and Yukon, is intermediate between the parents. It combines the petioles, the narrowly elliptic-oblanceolate leaves with acute-attenuate apices, the stipules, and the narrow, loosely flowered catkins of S. niphoclada, and the relatively long petioles, the larger oblanceolate leaves, the larger stipules, and the densely flowered and broadly cylindrical catkins of S. glauca (G. W. Argus 1965).

Selected References

None.

Lower Taxa

None.
George W. Argus +
(Hooker) C. K. Schneider +
Salix villosa var. acutifolia +
B.C. +, N.W.T. +, Yukon +  and Alaska. +
0-1200 m +
Wet to mesic thickets, black spruce treed bogs, white spruce woods, floodplains, fens, swamps, subarctic thickets, alpine tundra +
Flowering late May-early Jul. +
Illustrated +  and Endemic +
Salix desertorum +, Salix glauca subsp. acutifolia +, Salix glauca var. alicea +, Salix glauca subsp. desertorum +, Salix glauca var. perstipula +, Salix glauca var. poliophylla +  and Salix glauca var. sericea +
Salix glauca var. acutifolia +
Salix glauca +
variety +