View source for Elymus alaskanus subsp. hyperarcticus

{{Treatment/ID
|accepted_name=Elymus alaskanus subsp. hyperarcticus
|accepted_authority=(Polunin) Á. Löve & D. Love
|publications=
|common_names=High-arctic wheatgrass
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Roegneria hyperarctica
|authority=
|rank=species
}} {{Treatment/ID/Synonym
|name=Roegneria borealis var. hyperarctica
|authority=
|rank=variety
}} {{Treatment/ID/Synonym
|name=Elymus sajanensis subsp. hyperarcticum
|authority=
|rank=subspecies
}} {{Treatment/ID/Synonym
|name=Elymus hyperarcticus
|authority=
|rank=species
}} {{Treatment/ID/Synonym
|name=Agropyron violaceum var. hyperarcticum
|authority=
|rank=variety
}}
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Triticeae;Elymus;Elymus alaskanus;Elymus alaskanus subsp. hyperarcticus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Pooideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Triticeae]]</div><div class="higher-taxon"><small>genus</small>[[Elymus]]</div><div class="higher-taxon"><small>species</small>[[Elymus alaskanus]]</div><div class="higher-taxon"><small>subspecies</small>[[Elymus alaskanus subsp. hyperarcticus]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 326
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>cespitose, not rhizomatous. <b>Culms</b> 20-35(50) cm, ascending to erect; nodes concealed. <b>Ligules</b> 0.5-1 mm, erose to ciliate; blades 2.5-5 mm wide. <b>Spikes</b> 4.5-7 cm; internodes 4-6 mm, ciliate, distal cilia longest. <b>Glumes</b> densely hairy, hairs 0.2-0.5 mm, apices mucronate or awned, awns to 1 mm; lemmas densely hairy, hairs 0.2-0.5 mm, apices awned, awns 1-5 mm, straight. <b>2n</b> = 28.</span><!--

-->{{Treatment/Body
|discussion=<p><i>Elymus alaskanus </i>subsp.<i> hyperarcticus</i> grows on river banks and hillsides. It extends from the Lake Taymyr basin in arctic Russia across northern North America to Greenland.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Elymus alaskanus subsp. hyperarcticus
|authority=(Polunin) Á. Löve & D. Love
|rank=subspecies
|parent rank=species
|synonyms=Roegneria hyperarctica;Roegneria borealis var. hyperarctica;Elymus sajanensis subsp. hyperarcticum;Elymus hyperarcticus;Agropyron violaceum var. hyperarcticum
|basionyms=
|family=Poaceae
|illustrator=Cindy Roché;Annaliese Miller
|illustration copyright=Utah State University
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V24/V24_460.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Triticeae
|genus=Elymus
|species=Elymus alaskanus
|subspecies=Elymus alaskanus subsp. hyperarcticus
}}<!--

-->[[Category:Treatment]][[Category:Elymus alaskanus]]