Difference between revisions of "Equisetum laevigatum"
Amer. J. Sci. Arts 46: 87. 1844.
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|common_names=Smooth scouring rush | |common_names=Smooth scouring rush | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Equisetum funstonii | |name=Equisetum funstonii | ||
|authority=A.A. Eaton | |authority=A.A. Eaton | ||
| + | |rank=species | ||
| + | |publication_title=E. kansanum J.H. Schaffner | ||
| + | |publication_place= | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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|elevation=1530–3500 m | |elevation=1530–3500 m | ||
|distribution=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. | |distribution=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=<p>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.</p> | + | |discussion=<p>Schaffner named this species <i>Equisetum</i> kansanum because he applied the name <i>E. laevigatum</i> to what we now know is the hybrid <i>E.</i> × <i>ferrissii</i>. The coarser-stemmed, occasionally persistent forms in the southwestern United States have been called <i>Equisetum</i> funstonii.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Equisetum laevigatum | name=Equisetum laevigatum | ||
| − | |||
|authority=A. Braun | |authority=A. Braun | ||
|rank=species | |rank=species | ||
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|publication year=1844 | |publication year=1844 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_20.xml |
|genus=Equisetum | |genus=Equisetum | ||
|subgenus=Equisetum subg. Equisetum | |subgenus=Equisetum subg. Equisetum | ||
Latest revision as of 20:21, 5 November 2020
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
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.