Difference between revisions of "Betula nana subsp. nana"
FNA>Volume Importer |
GeoffLevin (talk | contribs) (Replaced N.W.T. with Nunavut in distribution; treatment was published before Nunavut split from N.W.T. and taxon does not occur in N.W.T.) |
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{{Treatment/ID | {{Treatment/ID | ||
|accepted_name=Betula nana subsp. nana | |accepted_name=Betula nana subsp. nana | ||
| − | |accepted_authority= | + | |accepted_authority= |
|publications= | |publications= | ||
|common_names=Arctic dwarf birch | |common_names=Arctic dwarf birch | ||
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|habitat=Tundra, open rocky barrens, and scrubs, in Europe subalpine mountain moors | |habitat=Tundra, open rocky barrens, and scrubs, in Europe subalpine mountain moors | ||
|elevation=0–600 m | |elevation=0–600 m | ||
| − | |distribution=Greenland; | + | |distribution=Greenland;Nunavut;n Europe. |
|discussion=<p><i>Betula nana </i>subsp.<i> nana</i> occurs in both eastern and western Greenland at latitudes north of 63 degrees. In Europe, the range of this subspecies extends across the subarctic zone and southward in the Alps and other ranges.</p> | |discussion=<p><i>Betula nana </i>subsp.<i> nana</i> occurs in both eastern and western Greenland at latitudes north of 63 degrees. In Europe, the range of this subspecies extends across the subarctic zone and southward in the Alps and other ranges.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Betula nana subsp. nana | name=Betula nana subsp. nana | ||
| − | + | |authority= | |
| − | |authority= | ||
|rank=subspecies | |rank=subspecies | ||
|parent rank=species | |parent rank=species | ||
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|habitat=Tundra, open rocky barrens, and scrubs, in Europe subalpine mountain moors | |habitat=Tundra, open rocky barrens, and scrubs, in Europe subalpine mountain moors | ||
|elevation=0–600 m | |elevation=0–600 m | ||
| − | |distribution=Greenland; | + | |distribution=Greenland;Nunavut;n Europe. |
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_763.xml |
|subfamily=Betulaceae subfam. Betuloideae | |subfamily=Betulaceae subfam. Betuloideae | ||
|genus=Betula | |genus=Betula | ||
Latest revision as of 18:38, 24 September 2021
Shrubs, procumbent, widely spreading, or upright, to 1 m. Bark dark brown. Twigs sparsely to densely pubescent, dull, without heavy resinous coating, without large, warty, resinous glands. Leaf blade broadly orbiculate or obovate-orbiculate to reniform, 0.8–1.5 × 0.8–2 cm, base rounded or cuneate to nearly cordate; surfaces abaxially sparsely pubescent to glabrous. Infructescences 0.5–1.5 × 0.4–1 cm; scales glabrous, lobes diverging distal to middle, ascending, about equal in length. 2n = 28.
Phenology: Flowering late spring.
Habitat: Tundra, open rocky barrens, and scrubs, in Europe subalpine mountain moors
Elevation: 0–600 m
Distribution
Greenland, Nunavut, n Europe.
Discussion
Betula nana subsp. nana occurs in both eastern and western Greenland at latitudes north of 63 degrees. In Europe, the range of this subspecies extends across the subarctic zone and southward in the Alps and other ranges.
Selected References
None.