Difference between revisions of "Arctanthemum arcticum subsp. polare"
in A. I. Tolmatchew, Fl. Arct. URSS 10: 116. 1987.
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Arctanthemum arcticum subsp. polare | |accepted_name=Arctanthemum arcticum subsp. polare | ||
| − | |accepted_authority=(Hultén) Tzvelev | + | |accepted_authority=(Hultén) Tzvelev |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. I. Tolmatchew, Fl. Arct. URSS | |title=in A. I. Tolmatchew, Fl. Arct. URSS | ||
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}} | }} | ||
|common_names=Polar daisy;chrysanthème polaire | |common_names=Polar daisy;chrysanthème polaire | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Chrysanthemum arcticum subsp. polare | |name=Chrysanthemum arcticum subsp. polare | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Arctanthemum arcticum subsp. polare | name=Arctanthemum arcticum subsp. polare | ||
| − | |authority=(Hultén) Tzvelev | + | |authority=(Hultén) Tzvelev |
|rank=subspecies | |rank=subspecies | ||
|parent rank=species | |parent rank=species | ||
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|publication title=in A. I. Tolmatchew, Fl. Arct. URSS | |publication title=in A. I. Tolmatchew, Fl. Arct. URSS | ||
|publication year=1987 | |publication year=1987 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_934.xml |
|tribe=Asteraceae tribe Anthemideae | |tribe=Asteraceae tribe Anthemideae | ||
|genus=Arctanthemum | |genus=Arctanthemum | ||
Latest revision as of 19:57, 5 November 2020
Plants (2.5–)5–20(–26) cm (more in fruit). Stems not branched. Leaves mostly basal (cauline to midstem at most); basal and proximal: petioles 4–50 mm, blades cuneate to spatulate, 6–30 × 4–16 mm, mostly 0–3-lobed; cauline: petioles 0 or 10–25 mm, blades 4–23 × 1–8 mm. Heads 1(–2), 13–20 mm diam. (flattened, excluding rays). Peduncular bracts 6–12 × 1 mm. Ray laminae (7–)9–18(–21) × (1.5–)1.8–4.3 mm, veins 4–5(–12). 2n = 18.
Phenology: Flowering summer.
Habitat: Open, coastal, wet, brackish habitats on clay, sand, gravel, or rocks, beaches near tideline, coastal dunes, beach meadows, carex salt marshes, estuarine marshes and flood plains, coastal tundra
Elevation: 0–10 m
Distribution
Man., N.W.T., Nunavut, Ont., Que., Yukon, Alaska, arctic Russia.
Discussion
In North America, subsp. polare ranges more or less continuously from St. Lawrence Island and the Seward Peninsula (Alaska) in the west, to the Ungava Peninsula (Quebec) in the east, along the low arctic continental coast, the coast of Hudson Bay, and the southern coast of the lower islands of the Arctic Archipelago.
Selected References
None.