Difference between revisions of "Danthonia parryi"

Scribn.
Common names: Parry's oatgrass
Treatment appears in FNA Volume 25. Treatment on page 305.
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|distribution=Alta.;Sask.;Colo.;N.Mex.;Wyo.;Mont.
 
|distribution=Alta.;Sask.;Colo.;N.Mex.;Wyo.;Mont.
|discussion=<p>Danthonia parryi is endemic to western North America and is often a major component of grasslands on the eastern foothills of the Rocky Mountains. It grows in open grassland, open woods, and rocky slopes, at elevations up to 4000 m. It rarely produces caryopses in the terminal inflorescences. This and its somewhat intermediate morphology have led to speculation that it is derived from hybridization between D. californica and D. intermedia.</p>
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|discussion=<p><i>Danthonia parryi</i> is endemic to western North America and is often a major component of grasslands on the eastern foothills of the Rocky Mountains. It grows in open grassland, open woods, and rocky slopes, at elevations up to 4000 m. It rarely produces caryopses in the terminal inflorescences. This and its somewhat intermediate morphology have led to speculation that it is derived from hybridization between <i>D. californica</i> and <i>D. intermedia</i>.</p>
 
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|references=
 
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-->{{#Taxon:
 
name=Danthonia parryi
 
name=Danthonia parryi
|author=
 
 
|authority=Scribn.
 
|authority=Scribn.
 
|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 A. Vorobik;Hana Pazdírková
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|illustration copyright=Utah State University
 
|distribution=Alta.;Sask.;Colo.;N.Mex.;Wyo.;Mont.
 
|distribution=Alta.;Sask.;Colo.;N.Mex.;Wyo.;Mont.
 
|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/V25/V25_966.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V25/V25_966.xml
 
|subfamily=Poaceae subfam. Danthonioideae
 
|subfamily=Poaceae subfam. Danthonioideae
 
|tribe=Poaceae tribe Danthonieae
 
|tribe=Poaceae tribe Danthonieae

Revision as of 21:39, 16 December 2019

Culms 30-80(100) cm, not disarticulating at maturity. Sheaths glabrous or sparsely pubescent; blades 15-25 cm long, to 4 mm wide, glabrous or scabrous (rarely pilose), uppermost cauline blades erect or diverging less than 20° from the culm at maturity. Inflorescences usually paniculate, sometimes racemose, with (3)4-11 spikelets; branches appressed to ascending, somewhat flexible; pedicels on the lowest branch from shorter than to as long as the spikelets. Spikelets 16-24 mm. Calluses of middle florets longer than wide, concave abaxially; lemma bodies 5.5-10 mm, backs usually pilose, especially near the base (rarely glabrous), margins pilose, teeth 2.5-8 mm, aristate; awns 12-15 mm; anthers to 6.5 mm. Caryopses rarely produced, 3.5-5.2 mm long, 0.9-1.8 mm wide. 2n = 36.

Distribution

Alta., Sask., Colo., N.Mex., Wyo., Mont.

Discussion

Danthonia parryi is endemic to western North America and is often a major component of grasslands on the eastern foothills of the Rocky Mountains. It grows in open grassland, open woods, and rocky slopes, at elevations up to 4000 m. It rarely produces caryopses in the terminal inflorescences. This and its somewhat intermediate morphology have led to speculation that it is derived from hybridization between D. californica and D. intermedia.

Selected References

None.

Lower Taxa

None.