Difference between revisions of "Calamagrostis cinnoides"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Calamagrostis coarctata | |name=Calamagrostis coarctata | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Agrostis glauca | |name=Agrostis glauca | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Calamagrostis;Calamagrostis cinnoides | |hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Poeae;Calamagrostis;Calamagrostis cinnoides | ||
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| − | |discussion=<p>Calamagrostis cinnoides is found on roadsides, in ditches, pond edges, and boggy streamhead seepages, and along streams in oak or oak-pine woods on sandy to peaty soils, at 5-1100 m. Its range extends throughout eastern North America, from Nova Scotia and Maine to Georgia and Louisiana. It is adventive in Ohio.</p><!-- | + | |discussion=<p><i>Calamagrostis cinnoides</i> is found on roadsides, in ditches, pond edges, and boggy streamhead seepages, and along streams in oak or oak-pine woods on sandy to peaty soils, at 5-1100 m. Its range extends throughout eastern North America, from Nova Scotia and Maine to Georgia and Louisiana. It is adventive in Ohio.</p><!-- |
| − | --><p>Since Arundo canadensis Michx. was cited as a synonym for both Arundo cinnoides Muhl. and Calamagrostis cinnoides, both of these latter combinations are considered to be superfluous—and thus illegitimate—names, even though they differ taxonomically from A. canadensis Michx. A proposal is in preparation to conserve the name C. cinnoides over the less frequently used, but legitimate, combination C. coarctata Eaton.</p> | + | --><p>Since <i>Arundo</i> canadensis Michx. was cited as a synonym for both <i>Arundo</i> cinnoides Muhl. and <i>Calamagrostis cinnoides</i>, both of these latter combinations are considered to be superfluous—and thus illegitimate—names, even though they differ taxonomically from <i>A. canadensis</i> Michx. A proposal is in preparation to conserve the name <i>C. cinnoides</i> over the less frequently used, but legitimate, combination C. coarctata Eaton.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Calamagrostis cinnoides | name=Calamagrostis cinnoides | ||
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|authority=(Muhl.) W.P.C. Barton | |authority=(Muhl.) W.P.C. Barton | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| − | |illustrator=Cindy Roché | + | |illustrator=Cindy Roché;Hana Pazdírková |
| + | |illustration copyright=Utah State University | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|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/V24/V24_1010.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Poeae | |tribe=Poaceae tribe Poeae | ||
Revision as of 20:16, 16 December 2019
Plants without sterile culms; loosely cespitose, with rhizomes 2-3 cm long. Culms (60) 80-140(170) cm, often solitary, unbranched, scabrous; nodes 3-5(6). Sheaths smooth or slightly scabrous; collars smooth to densely scabrous; ligules (2)3-4(6) mm, usually truncate, rarely obtuse, usually entire, sometimes lacerate; blades (8)10-35(45) cm long, (3)3.5-7.5(10) mm wide, flat, pale green, smooth or slightly scabrous, adaxial surfaces glabrous or sparsely hairy. Panicles (8)12-20(25) cm long, (0.8)1.5-2.5(3) cm wide, erect, contracted, green to greenish purple; branches (2.5)4-7 cm, sparsely to densely scabrous, some prickles more than 10 times the length of the others, spikelets usually confined to the distal 1/2-1/4. Spikelets 5-7(7.5) mm; rachilla prolongations about (0.5)1(1.5) mm, hairy only distally, hairs 2-4 mm. Glumes keeled, keels slightly scabrous, lateral veins prominent, apices acuminate, sometimes shortly awned; callus hairs 3-4 mm, 0.5-0.7 times as long as the lemmas, abundant; lemmas 4.5-5.5 mm, 1-2 mm shorter than the glumes; awns 1-2 mm, attached on the upper 2/5 of the lemmas, not exserted, straight; anthers about 1.5 mm. 2n = unknown.
Discussion
Calamagrostis cinnoides is found on roadsides, in ditches, pond edges, and boggy streamhead seepages, and along streams in oak or oak-pine woods on sandy to peaty soils, at 5-1100 m. Its range extends throughout eastern North America, from Nova Scotia and Maine to Georgia and Louisiana. It is adventive in Ohio.
Since Arundo canadensis Michx. was cited as a synonym for both Arundo cinnoides Muhl. and Calamagrostis cinnoides, both of these latter combinations are considered to be superfluous—and thus illegitimate—names, even though they differ taxonomically from A. canadensis Michx. A proposal is in preparation to conserve the name C. cinnoides over the less frequently used, but legitimate, combination C. coarctata Eaton.
Selected References
None.