Difference between revisions of "Puccinellia angustata"
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|distribution=Alta.;B.C.;Greenland;Man.;N.W.T.;Nunavut;Que.;Sask.;Yukon;Alaska | |distribution=Alta.;B.C.;Greenland;Man.;N.W.T.;Nunavut;Que.;Sask.;Yukon;Alaska | ||
| − | |discussion=<p | + | |discussion=<p>Puccinellia angustata is a common and widespread arctic species that grows in disturbed silty or sandy sediments. It is usually non-littoral, but when in coastal areas it grows above the influence of high tide.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché | ||
|distribution=Alta.;B.C.;Greenland;Man.;N.W.T.;Nunavut;Que.;Sask.;Yukon;Alaska | |distribution=Alta.;B.C.;Greenland;Man.;N.W.T.;Nunavut;Que.;Sask.;Yukon;Alaska | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse_grained_fna_xml/V24/V24_672.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Revision as of 16:09, 30 October 2019
Plants perennial; cespitose, not mat-forming. Culms 10-35 cm, erect to decumbent. Ligules (0.8)1-3(4) mm, acute, obtuse, or truncate, entire; blades usually involute and 0.5-1.2 mm in diameter, sometimes flat and 0.5-3 mm wide. Panicles (4)5-10(13)cm, usually contracted, occasionally diffuse at maturity, lower nodes with 2-3(4) branches, lower branches erect to ascending, spikelets usually confined to the distal 1/2; pedicels scabrous, lacking tumid epidermal cells. Spikelets 4-10 mm, with 3-5(6) florets. Glumes rounded over the back, veins obscure, apices acute; lower glumes 1.5-2.8 mm, usually less than 1/2 as long as the adjacent lemmas; upper glumes 2.2-4.2 mm; rachilla internodes slightly and gradually broadened to the point of attachment with the lemmas, at least the lowest internode usually more than 0.09 mm thick; calluses with a few hairs; lemmas 3.5-5.2 mm, herbaceous, often purplish, hairy on the proximal 1/2 along the veins, sometimes also between the veins, backs rounded, 5-veined, veins obscure, not extending to the margins, apical margins hyaline, scabrous, apices acute, entire or erose; palea veins with curly, intertwined hairs proximally, scabrous distally; anthers (0.6) 0.8-1.1(1.5) mm. 2n = 42.
Distribution
Alta., B.C., Greenland, Man., N.W.T., Nunavut, Que., Sask., Yukon, Alaska
Discussion
Puccinellia angustata is a common and widespread arctic species that grows in disturbed silty or sandy sediments. It is usually non-littoral, but when in coastal areas it grows above the influence of high tide.
Selected References
None.