Difference between revisions of "Puccinellia vaginata"
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| − | |distribution=Greenland;Nfld. | + | |distribution=Greenland;Nfld. and Labr. (Nfld.);Man.;N.W.T.;Nunavut;Ont.;Que.;Yukon;Alaska |
|discussion=<p><i>Puccinellia vaginata</i> is a widespread North American arctic species. It is locally common in Greenland to about 78° N latitude; it is uncommon in Canada, where it is found primarily in the low arctic, rarely in the high arctic. One specimen is reported from eastern Siberia. It grows on coastal marine sediments and on eroding, raised marine sediments inland, and forms large tussocks near bird cliffs.</p> | |discussion=<p><i>Puccinellia vaginata</i> is a widespread North American arctic species. It is locally common in Greenland to about 78° N latitude; it is uncommon in Canada, where it is found primarily in the low arctic, rarely in the high arctic. One specimen is reported from eastern Siberia. It grows on coastal marine sediments and on eroding, raised marine sediments inland, and forms large tussocks near bird cliffs.</p> | ||
|tables= | |tables= | ||
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|illustrator=Cindy Roché | |illustrator=Cindy Roché | ||
|illustration copyright=Utah State University | |illustration copyright=Utah State University | ||
| − | |distribution=Greenland;Nfld. | + | |distribution=Greenland;Nfld. and Labr. (Nfld.);Man.;N.W.T.;Nunavut;Ont.;Que.;Yukon;Alaska |
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_683.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Latest revision as of 16:24, 11 May 2021
Plants perennial; cespitose, not mat-forming. Culms (6)9-20 (35) cm, erect or decumbent. Leaves basally concentrated on small plants, distributed along the culms in larger plants; ligules 1-3 mm, acute, obtuse, or truncate, entire; blades 1-2 mm wide when flat, 0.5-1.6 mm in diameter when involute. Panicles (3)6-12(14) cm, diffuse or contracted and usually barely exserted from the sheaths at maturity, lower branches ascending to horizontal, spikelets usually confined to the distal 2/3; pedicels slightly scabrous, epidermal cells tumid. Spikelets 4-8 mm, with (2)4-5(6) florets. Glumes rounded over the back, veins distinct or obscure, margins not inrolled, apices broadly acute or obtuse; lower glumes 1.3-2.1 mm; upper glumes 1.3-2.6(3.4) mm; calluses with a few hairs; lemmas 2.8-4 mm, herbaceous, thin, often translucent, bases hairy, particularly on the veins, backs rounded, 5-veined, veins obscure, not extending to the margins, lateral margins usually not inrolled, apical margins uniformly and densely scabrous, apices broadly acute or obtuse, entire or slightly erose; palea veins glabrous proximally, scabrous distally; anthers 0.7-1.1(1.2) mm. 2n = 56.
Distribution
Greenland, Nfld. and Labr. (Nfld.), Man., N.W.T., Nunavut, Ont., Que., Yukon, Alaska
Discussion
Puccinellia vaginata is a widespread North American arctic species. It is locally common in Greenland to about 78° N latitude; it is uncommon in Canada, where it is found primarily in the low arctic, rarely in the high arctic. One specimen is reported from eastern Siberia. It grows on coastal marine sediments and on eroding, raised marine sediments inland, and forms large tussocks near bird cliffs.
Selected References
None.