Difference between revisions of "Arctophila fulva"
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|distribution=B.C.;Greenland;Nfld. And Labr. (Nfld.);Man.;N.W.T.;Nunavut;Ont.;Que.;Yukon;Alaska | |distribution=B.C.;Greenland;Nfld. And Labr. (Nfld.);Man.;N.W.T.;Nunavut;Ont.;Que.;Yukon;Alaska | ||
| − | |discussion=<p>Arctophila fulva grows as an emergent species in shallow, standing water, or along slow-moving streams, wet meadows, marshes, and saturated soils of low arctic and subarctic regions, where it often forms pure stands. It is one of the few grasses that develop aquatic leaves. Field observations indicate that under some environmental conditions, A. fulva can propagate vegetatively from detached stems that have over¬wintered (Aiken and Buck 2002). In the Flora region, it grows from Alaska through the Yukon, Northwest Territories, Nunavut, Ontario, Quebec, and Labrador to Greenland. Its range extends across Eurasia to arctic Scandinavia. It forms a sterile hybrid, xArctodupontia scleroclada (p. 605), with Dupontia fisheri. The hybrid differs from Arctophila fulva in having lemmas with truncate, lacerate to dentate apices, rather than obtuse, entire apices.</p> | + | |discussion=<p><i>Arctophila fulva</i> grows as an emergent species in shallow, standing water, or along slow-moving streams, wet meadows, marshes, and saturated soils of low arctic and subarctic regions, where it often forms pure stands. It is one of the few grasses that develop aquatic leaves. Field observations indicate that under some environmental conditions, <i>A. fulva</i> can propagate vegetatively from detached stems that have over¬wintered (Aiken and Buck 2002). In the Flora region, it grows from Alaska through the Yukon, Northwest Territories, Nunavut, Ontario, Quebec, and Labrador to Greenland. Its range extends across Eurasia to arctic Scandinavia. It forms a sterile hybrid, xArctodupontia scleroclada (p. 605), with <i>Dupontia fisheri</i>. The hybrid differs from <i>Arctophila fulva</i> in having lemmas with truncate, lacerate to dentate apices, rather than obtuse, entire apices.</p> |
|tables= | |tables= | ||
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V24/V24_858.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Revision as of 16:22, 18 September 2019
Culms (5)10-80(100) cm. Ligules (1)2-6(8) mm; blades 2-23 cm long, 1-5(10) mm wide. Panicles 3-20 cm long, (1.5)3-11 cm wide. Spikelets 2.5-7(8) mm. Glumes 1.5-4(5) mm; lower glumes exceeded by the lowest floret; upper glumes shorter than to longer than the lowest floret; lemmas 2.5-4 mm; paleas (1)1.8-4 mm; anthers 1.2-3 mm. Caryopses 1.5-2.2 mm. 2n = 42, 63.
Distribution
B.C., Greenland, Nfld. And Labr. (Nfld.), Man., N.W.T., Nunavut, Ont., Que., Yukon, Alaska
Discussion
Arctophila fulva grows as an emergent species in shallow, standing water, or along slow-moving streams, wet meadows, marshes, and saturated soils of low arctic and subarctic regions, where it often forms pure stands. It is one of the few grasses that develop aquatic leaves. Field observations indicate that under some environmental conditions, A. fulva can propagate vegetatively from detached stems that have over¬wintered (Aiken and Buck 2002). In the Flora region, it grows from Alaska through the Yukon, Northwest Territories, Nunavut, Ontario, Quebec, and Labrador to Greenland. Its range extends across Eurasia to arctic Scandinavia. It forms a sterile hybrid, xArctodupontia scleroclada (p. 605), with Dupontia fisheri. The hybrid differs from Arctophila fulva in having lemmas with truncate, lacerate to dentate apices, rather than obtuse, entire apices.
Selected References
None.