Difference between revisions of "Equisetum laevigatum"
Amer. J. Sci. Arts 46: 87. 1844.
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− | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Aerial </b>stems lasting less than a year, occasionally overwintering in the southwestern United States, usually unbranched, 20–150 cm; lines of stomates single; ridges 10–32. <b>Sheaths</b> green, elongate, 7–15 × 3–9 mm; teeth 10–32, articulate and usually shed early, leaving dark rim on sheath. <b>Cone</b> apex rounded to apiculate with blunt tip; spores green, spheric. <b>2n</b> =216.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
+ | |phenology=Cones maturing in spring–early summer. | ||
|habitat=Moist prairies, riverbanks, roadsides | |habitat=Moist prairies, riverbanks, roadsides | ||
|elevation=1530–3500 m | |elevation=1530–3500 m | ||
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|basionyms=Equisetum funstonii | |basionyms=Equisetum funstonii | ||
|family=Equisetaceae | |family=Equisetaceae | ||
+ | |phenology=Cones maturing in spring–early summer. | ||
|habitat=Moist prairies, riverbanks, roadsides | |habitat=Moist prairies, riverbanks, roadsides | ||
|elevation=1530–3500 m | |elevation=1530–3500 m | ||
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|publication year=1844 | |publication year=1844 | ||
|special status= | |special status= | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_20.xml |
|genus=Equisetum | |genus=Equisetum | ||
|subgenus=Equisetum subg. Equisetum | |subgenus=Equisetum subg. Equisetum | ||
|species=Equisetum laevigatum | |species=Equisetum laevigatum | ||
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-->[[Category:Treatment]][[Category:Equisetum subg. Equisetum]] | -->[[Category:Treatment]][[Category:Equisetum subg. Equisetum]] |
Revision as of 13:13, 27 July 2019
Aerial stems lasting less than a year, occasionally overwintering in the southwestern United States, usually unbranched, 20–150 cm; lines of stomates single; ridges 10–32. Sheaths green, elongate, 7–15 × 3–9 mm; teeth 10–32, articulate and usually shed early, leaving dark rim on sheath. Cone apex rounded to apiculate with blunt tip; spores green, spheric. 2n =216.
Phenology: Cones maturing in spring–early summer.
Habitat: Moist prairies, riverbanks, roadsides
Elevation: 1530–3500 m
Distribution
![V2 20-distribution-map.gif](/w/images/f/f7/V2_20-distribution-map.gif)
Alta., B.C., Man., Ont., Que., Sask., Ariz., Ark., Calif., Colo., Idaho, Ill., Ind., Iowa, Kans., Mich., Minn., Mo., Mont., Nebr., Nev., N.Mex., N.Dak., Ohio, Okla., Oreg., S.Dak., Tex., Utah, Wash., Wis., Wyo., n Mexico including Baja California.
Discussion
Schaffner named this species Equisetum kansanum because he applied the name E. laevigatum to what we now know is the hybrid E. × ferrissii. The coarser-stemmed, occasionally persistent forms in the southwestern United States have been called Equisetum funstonii.
Selected References
None.