familyPoaceae
subfamilyPoaceae subfam. Pooideae
genusElymus
speciesElymus alaskanus
subspeciesElymus alaskanus subsp. hyperarcticus
Difference between revisions of "Elymus alaskanus subsp. hyperarcticus"
Common names: High-arctic wheatgrass
Synonyms: Roegneria hyperarctica Roegneria borealis var. hyperarctica Elymus sajanensis subsp. hyperarcticum Elymus hyperarcticus Agropyron violaceum var. hyperarcticum
Treatment appears in FNA Volume 24. Treatment on page 326.
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|accepted_name=Elymus alaskanus subsp. hyperarcticus | |accepted_name=Elymus alaskanus subsp. hyperarcticus | ||
| − | |accepted_authority=(Polunin) Á. Löve & D. | + | |accepted_authority=(Polunin) Á. Löve & D. Löve |
|publications= | |publications= | ||
|common_names=High-arctic wheatgrass | |common_names=High-arctic wheatgrass | ||
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name=Elymus alaskanus subsp. hyperarcticus | name=Elymus alaskanus subsp. hyperarcticus | ||
| − | |authority=(Polunin) Á. Löve & D. | + | |authority=(Polunin) Á. Löve & D. Löve |
|rank=subspecies | |rank=subspecies | ||
|parent rank=species | |parent rank=species | ||
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|special status= | |special status= | ||
| − | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/ | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_460.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Triticeae | |tribe=Poaceae tribe Triticeae | ||
Latest revision as of 22:38, 3 December 2021
Plants cespitose, not rhizomatous. Culms 20-35(50) cm, ascending to erect; nodes concealed. Ligules 0.5-1 mm, erose to ciliate; blades 2.5-5 mm wide. Spikes 4.5-7 cm; internodes 4-6 mm, ciliate, distal cilia longest. Glumes 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. 2n = 28.
Discussion
Elymus alaskanus subsp. hyperarcticus grows on river banks and hillsides. It extends from the Lake Taymyr basin in arctic Russia across northern North America to Greenland.
Selected References
None.
Lower Taxa
None.