Difference between revisions of "Poa glauca subsp. glauca"
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| − | |discussion=<p><i>Poa glauca </i>subsp.<i> glauca</i> is the widespread and common subspecies in the Northern Hemisphere. It is also disjunct in South America. Plants with glabrous calluses are found only in the arctic. In the Rocky Mountains, <i>P. glauca </i>subsp.<i> glauca</i> often grows with <i></i>subsp.<i> rupicola</i> and <i>P. interior</i> (see previous). It does not grow in California, and is uncommon in the Great Basin and southern Rocky Mountains. It is highly variable, especially in the Great Lakes region. It is often confused in herbaria with <i></i>subsp.<i> rupicola</i>, but can sometimes be distinguished by its webbed calluses and lemmas that are glabrous between the veins. The name P. glaucantha Gaud | + | |discussion=<p><i>Poa glauca </i>subsp.<i> glauca</i> is the widespread and common subspecies in the Northern Hemisphere. It is also disjunct in South America. Plants with glabrous calluses are found only in the arctic. In the Rocky Mountains, <i>P. glauca </i>subsp.<i> glauca</i> often grows with <i></i>subsp.<i> rupicola</i> and <i>P. interior</i> (see previous). It does not grow in California, and is uncommon in the Great Basin and southern Rocky Mountains. It is highly variable, especially in the Great Lakes region. It is often confused in herbaria with <i></i>subsp.<i> rupicola</i>, but can sometimes be distinguished by its webbed calluses and lemmas that are glabrous between the veins. The name <i>P. glaucantha</i> Gaud. has sometimes been applied to plants of <i>P. glauca</i> from southeastern Canada and the northeastern United States.</p> |
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_807.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Latest revision as of 14:51, 10 December 2021
Culms 10-40(80) cm. Panicles 3.5-10(20) cm. Spikelets not bulbiferous; florets normal. Calluses webbed or glabrous; lemmas usually with lateral veins short-villous to softly puberulent, intercostal regions glabrous or short-villous to softly puberulent. 2n = 34, 42, 44, 47, 48, ca. 49, 50, 56, 60, 63, 64, 65, 70, 75, 78.
Discussion
Poa glauca subsp. glauca is the widespread and common subspecies in the Northern Hemisphere. It is also disjunct in South America. Plants with glabrous calluses are found only in the arctic. In the Rocky Mountains, P. glauca subsp. glauca often grows with subsp. rupicola and P. interior (see previous). It does not grow in California, and is uncommon in the Great Basin and southern Rocky Mountains. It is highly variable, especially in the Great Lakes region. It is often confused in herbaria with subsp. rupicola, but can sometimes be distinguished by its webbed calluses and lemmas that are glabrous between the veins. The name P. glaucantha Gaud. has sometimes been applied to plants of P. glauca from southeastern Canada and the northeastern United States.
Selected References
None.