Difference between revisions of "Avenula hookeri"

(Scribn.) Holub
Common names: Spike oatgrass
Synonyms: Helictotrichon hookeri
Treatment appears in FNA Volume 24. Treatment on page 698.
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|synonyms={{Treatment/ID/Synonym
 
|synonyms={{Treatment/ID/Synonym
 
|name=Helictotrichon hookeri
 
|name=Helictotrichon hookeri
|authority=unknown
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|authority=
 +
|rank=species
 
}}
 
}}
 
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Avenula;Avenula hookeri
 
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Avenula;Avenula hookeri
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-->{{Treatment/Body
 
-->{{Treatment/Body
 
|distribution=Colo.;N.Mex.;Minn.;N.Dak.;Alta.;B.C.;Man.;N.W.T.;Que.;Sask.;Yukon;Mont.;Vt.;Wyo.;S.Dak.
 
|distribution=Colo.;N.Mex.;Minn.;N.Dak.;Alta.;B.C.;Man.;N.W.T.;Que.;Sask.;Yukon;Mont.;Vt.;Wyo.;S.Dak.
|discussion=<p>Avenula hookeri grows on mesic to dry, open prairie slopes, hillsides, forest openings, and meadows, in montane to subalpine zones, from the Yukon and Northwest Territories to northern New Mexico.</p>
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|discussion=<p><i>Avenula hookeri</i> grows on mesic to dry, open prairie slopes, hillsides, forest openings, and meadows, in montane to subalpine zones, from the Yukon and Northwest Territories to northern New Mexico.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Avenula hookeri
 
name=Avenula hookeri
|author=
 
 
|authority=(Scribn.) Holub
 
|authority=(Scribn.) Holub
 
|rank=species
 
|rank=species
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|basionyms=
 
|basionyms=
 
|family=Poaceae
 
|family=Poaceae
|illustrator=Linda A. Vorobik and Hana Pazdírková
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|illustrator=Linda Ann Vorobik;Hana Pazdírková
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|illustration copyright=Utah State University
 
|distribution=Colo.;N.Mex.;Minn.;N.Dak.;Alta.;B.C.;Man.;N.W.T.;Que.;Sask.;Yukon;Mont.;Vt.;Wyo.;S.Dak.
 
|distribution=Colo.;N.Mex.;Minn.;N.Dak.;Alta.;B.C.;Man.;N.W.T.;Que.;Sask.;Yukon;Mont.;Vt.;Wyo.;S.Dak.
 
|reference=None
 
|reference=None
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|publication year=
 
|publication year=
 
|special status=
 
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse_grained_fna_xml/V24/V24_988.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_988.xml
 
|subfamily=Poaceae subfam. Pooideae
 
|subfamily=Poaceae subfam. Pooideae
 
|tribe=Poaceae tribe Poeae
 
|tribe=Poaceae tribe Poeae

Latest revision as of 16:26, 11 May 2021

Plants cespitose, not stoloniferous. Culms 10-75 cm, erect. Sheaths closed for less than 1/3 their length, smooth to scabridulous; ligules 3-7 mm, acute, usually lacerate; blades usually 4-20 cm long, 1-4.5 mm wide, smooth to scabridulous, margins cartilaginous and whitish. Panicles (4)6-11(13) cm long, usually 0.8-2.5 cm wide, erect or ascending; branches 10-25 mm, usually straight, stiff, usually with 1-2 spikelets. Spikelets 12-16 mm, with 3-6 florets; rachilla internodes usually 1.5-2.5 mm, hairs 0.2-1.5 mm. Glumes thin, acute; lower glumes 9-13 mm, 3-veined; upper glumes 9-14 mm, 3-5-veined; calluses bearded, hairs usually shorter than 1 mm; lemmas 10-12 mm, awned, awns 10-17 mm, flattened below the bend; paleas 6-8.75 mm; anthers 2.5-5 mm. 2n = 14.

Distribution

Colo., N.Mex., Minn., N.Dak., Alta., B.C., Man., N.W.T., Que., Sask., Yukon, Mont., Vt., Wyo., S.Dak.

Discussion

Avenula hookeri grows on mesic to dry, open prairie slopes, hillsides, forest openings, and meadows, in montane to subalpine zones, from the Yukon and Northwest Territories to northern New Mexico.

Selected References

None.

Lower Taxa

None.
... more about "Avenula hookeri"
Gordon C. Tucker +
(Scribn.) Holub +
Spike oatgrass +
Colo. +, N.Mex. +, Minn. +, N.Dak. +, Alta. +, B.C. +, Man. +, N.W.T. +, Que. +, Sask. +, Yukon +, Mont. +, Vt. +, Wyo. +  and S.Dak. +
Helictotrichon hookeri +
Avenula hookeri +
species +