familyPoaceae
subfamilyPoaceae subfam. Pooideae
tribePoaceae tribe Poeae
genusHelictotrichon
speciesHelictotrichon mortonianum
Difference between revisions of "Helictotrichon mortonianum"
Common names: Alpine oatgrass
Synonyms: Avena mortoniana
Treatment appears in FNA Volume 24. Treatment on page 701.
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Avena mortoniana | |name=Avena mortoniana | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Helictotrichon;Helictotrichon mortonianum | |hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Helictotrichon;Helictotrichon mortonianum | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
|distribution=Utah;Colo.;N.Mex.;Wyo. | |distribution=Utah;Colo.;N.Mex.;Wyo. | ||
| − | |discussion=<p>Helictotrichon mortonianum grows in alpine and subalpine meadows and summits, at 3000-4200 m. It is restricted to the central and southern Rocky Mountains of the contiguous United States.</p> | + | |discussion=<p><i>Helictotrichon mortonianum</i> grows in alpine and subalpine meadows and summits, at 3000-4200 m. It is restricted to the central and southern Rocky Mountains of the contiguous United States.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Helictotrichon mortonianum | name=Helictotrichon mortonianum | ||
| − | |||
|authority=(Scribn.) Henrard | |authority=(Scribn.) Henrard | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| − | |illustrator=Linda | + | |illustrator=Linda Ann Vorobik;Hana Pazdírková |
| + | |illustration copyright=Utah State University | ||
|distribution=Utah;Colo.;N.Mex.;Wyo. | |distribution=Utah;Colo.;N.Mex.;Wyo. | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V24/V24_993.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Revision as of 20:26, 16 December 2019
Culms 5-20 cm. Ligules 0.5-1 mm, truncate to rounded, ciliate; blades 3-6 cm long, 1-2 mm wide, involute or convolute, strigose, particularly on the adaxial surfaces. Panicles 2-5(8) cm; branches erect, usually with 1 spikelet each. Spikelets 8-12 mm, with (1)2(3) florets. Glumes equal or nearly so, 8-11 mm, acuminate or awn-tipped, awns 0.3-0.5 mm; lowest lemmas 7-10 mm, 3-veined, apices 4-toothed, awns 10-16 mm; distal lemmas unawned or awned; anthers 1.5-2 mm. 2n = 14, 28.
Distribution
Utah, Colo., N.Mex., Wyo.
Discussion
Helictotrichon mortonianum grows in alpine and subalpine meadows and summits, at 3000-4200 m. It is restricted to the central and southern Rocky Mountains of the contiguous United States.
Selected References
None.
Lower Taxa
None.