Difference between revisions of "Danthonia intermedia"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Danthonia intermedia var. cusickii | |name=Danthonia intermedia var. cusickii | ||
| − | |authority= | + | |authority= |
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Danthonia canadensis | |name=Danthonia canadensis | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Danthonioideae;Poaceae tribe Danthonieae;Danthonia;Danthonia intermedia | |hierarchy=Poaceae;Poaceae subfam. Danthonioideae;Poaceae tribe Danthonieae;Danthonia;Danthonia intermedia | ||
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|distribution=Colo.;N.Mex.;Wash.;Utah;Alaska;Alta.;B.C.;Man.;Nfld. And Labr.;Ont.;Que.;Sask.;Yukon;Mich.;Idaho;Mont.;S.Dak.;Wyo.;Ariz.;Calif.;Nev.;Oreg. | |distribution=Colo.;N.Mex.;Wash.;Utah;Alaska;Alta.;B.C.;Man.;Nfld. And Labr.;Ont.;Que.;Sask.;Yukon;Mich.;Idaho;Mont.;S.Dak.;Wyo.;Ariz.;Calif.;Nev.;Oreg. | ||
| − | |discussion=<p>Danthonia intermedia grows in boreal and alpine meadows, open woods, and on rocky slopes and northern plains. Its range extends from Kamchatka, Russia, to North America, south along the cordillera, and east, through boreal and alpine regions, to Quebec and Newfoundland and Labrador. Its primarily cleistogamous reproduction has probably facilitated its establishment and spread through more boreal and alpine habitats than other members of the genus.</p><!-- | + | |discussion=<p><i>Danthonia intermedia</i> grows in boreal and alpine meadows, open woods, and on rocky slopes and northern plains. Its range extends from Kamchatka, Russia, to North America, south along the cordillera, and east, through boreal and alpine regions, to Quebec and Newfoundland and Labrador. Its primarily cleistogamous reproduction has probably facilitated its establishment and spread through more boreal and alpine habitats than other members of the genus.</p><!-- |
| − | --><p>Tzvelev (1976) treats the American plants as D. intermedia (Vasey) subsp. intermedia and the Russian plants, which have 2n = 18, as D. intermedia subsp. riabuschinskii (Kom.) Tzvelev.</p> | + | --><p>Tzvelev (1976) treats the American plants as <i>D. intermedia</i> (Vasey) <i></i>subsp.<i> intermedia</i> and the Russian plants, which have 2n = 18, as <i>D. intermedia</i> subsp. riabuschinskii (Kom.) Tzvelev.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Danthonia intermedia | name=Danthonia intermedia | ||
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|authority=Vasey | |authority=Vasey | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| − | |illustrator=Linda A. Vorobik | + | |illustrator=Linda A. Vorobik;Hana Pazdírková |
| + | |illustration copyright=Utah State University | ||
|distribution=Colo.;N.Mex.;Wash.;Utah;Alaska;Alta.;B.C.;Man.;Nfld. And Labr.;Ont.;Que.;Sask.;Yukon;Mich.;Idaho;Mont.;S.Dak.;Wyo.;Ariz.;Calif.;Nev.;Oreg. | |distribution=Colo.;N.Mex.;Wash.;Utah;Alaska;Alta.;B.C.;Man.;Nfld. And Labr.;Ont.;Que.;Sask.;Yukon;Mich.;Idaho;Mont.;S.Dak.;Wyo.;Ariz.;Calif.;Nev.;Oreg. | ||
|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/V25/V25_965.xml |
|subfamily=Poaceae subfam. Danthonioideae | |subfamily=Poaceae subfam. Danthonioideae | ||
|tribe=Poaceae tribe Danthonieae | |tribe=Poaceae tribe Danthonieae | ||
Revision as of 20:39, 16 December 2019
Culms 10-50(70) cm, not disarticulating at maturity. Sheaths usually glabrous; blades 5-10 cm long, 1-3.5 mm wide, glabrous or slightly pilose. Inflorescences with (4)5-10 spikelets; branches stiff, appressed or strongly ascending; lower branches with (1)2-3(5) spikelets; pedicels on the lowest branch shorter than the spikelets. Spikelets 11-15(19) mm. Calluses of middle florets longer than wide, concave abaxially; lemma bodies 3-6 mm, glabrous over the back, densely pilose along the margins, teeth 1.5-2.5 mm, acute to acuminate or aristate; awns 6.5-8 mm; anthers usually tiny, sometimes to 4 mm. Caryopses (2)2.3-3 mm long, 0.7-1.1 mm wide. Cleistogenes rarely produced. 2n = 36, 98.
Distribution
Colo., N.Mex., Wash., Utah, Alaska, Alta., B.C., Man., Nfld. And Labr., Ont., Que., Sask., Yukon, Mich., Idaho, Mont., S.Dak., Wyo., Ariz., Calif., Nev., Oreg.
Discussion
Danthonia intermedia grows in boreal and alpine meadows, open woods, and on rocky slopes and northern plains. Its range extends from Kamchatka, Russia, to North America, south along the cordillera, and east, through boreal and alpine regions, to Quebec and Newfoundland and Labrador. Its primarily cleistogamous reproduction has probably facilitated its establishment and spread through more boreal and alpine habitats than other members of the genus.
Tzvelev (1976) treats the American plants as D. intermedia (Vasey) subsp. intermedia and the Russian plants, which have 2n = 18, as D. intermedia subsp. riabuschinskii (Kom.) Tzvelev.
Selected References
None.