Difference between revisions of "Elymus alaskanus subsp. hyperarcticus"

(Polunin) Á. Löve & D. Love
Common names: High-arctic wheatgrass
Synonyms: Roegneria hyperarctica unknown Roegneria borealis var. hyperarctica unknown Elymus sajanensis subsp. hyperarcticum unknown Elymus hyperarcticus unknown Agropyron violaceum var. hyperarcticum unknown
Treatment appears in FNA Volume 24. Treatment on page 326.
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V24/V24_460.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V24/V24_460.xml
 
|subfamily=Poaceae subfam. Pooideae
 
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|tribe=Poaceae tribe Triticeae
 
|tribe=Poaceae tribe Triticeae

Revision as of 20:15, 24 September 2019

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.
Mary E. Barkworth +, Julian J.N. Campbell +  and Bjorn Salomon +
(Polunin) Á. Löve & D. Love +
High-arctic wheatgrass +
Alta. +, B.C. +, Greenland +, Nfld. and Labr. (Nfld.) +, Man. +, N.S. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Yukon +, Mont. +, Wyo. +, Colo. +, N.Mex. +, Wash. +, Idaho +, Mich. +, Alaska +, Oreg. +  and Nev. +
Roegneria hyperarctica +, Roegneria borealis var. hyperarctica +, Elymus sajanensis subsp. hyperarcticum +, Elymus hyperarcticus +  and Agropyron violaceum var. hyperarcticum +
Elymus alaskanus subsp. hyperarcticus +
Elymus alaskanus +
subspecies +