familyEquisetaceae
genusEquisetum
subgenusEquisetum subg. Equisetum
speciesEquisetum hyemale
subspeciesEquisetum hyemale subsp. affine
Difference between revisions of "Equisetum hyemale subsp. affine"
Canad. J. Bot. 43: 1387. 1965.
Basionym: Equisetum robustum var. affine Engelmann Amer. J. Sci. Arts 46: 88. 1844
Synonyms: Equisetum hyemale var. affine (Engelmann) A.A. Eaton Equisetum hyemale var. californicum J.Milde Equisetum hyemale var. pseudohyemale (Farwell) C.V. Morton Equisetum hyemale var. robustum (A.Braun) A.A. Eaton Equisetum prealtum
Treatment appears in FNA Volume 2.
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|year=1965 | |year=1965 | ||
}} | }} | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Equisetum robustum var. affine | |name=Equisetum robustum var. affine | ||
|authority=Engelmann | |authority=Engelmann | ||
| + | |rank=variety | ||
| + | |publication_title=Amer. J. Sci. Arts | ||
| + | |publication_place=46: 88. 1844 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Equisetum hyemale var. affine | |name=Equisetum hyemale var. affine | ||
|authority=(Engelmann) A.A. Eaton | |authority=(Engelmann) A.A. Eaton | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Equisetum hyemale var. californicum | |name=Equisetum hyemale var. californicum | ||
|authority=J.Milde | |authority=J.Milde | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Equisetum hyemale var. pseudohyemale | |name=Equisetum hyemale var. pseudohyemale | ||
|authority=(Farwell) C.V. Morton | |authority=(Farwell) C.V. Morton | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Equisetum hyemale var. robustum | |name=Equisetum hyemale var. robustum | ||
|authority=(A.Braun) A.A. Eaton | |authority=(A.Braun) A.A. Eaton | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Equisetum prealtum | |name=Equisetum prealtum | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Equisetaceae;Equisetum;Equisetum subg. Equisetum;Equisetum hyemale;Equisetum hyemale subsp. affine | |hierarchy=Equisetaceae;Equisetum;Equisetum subg. Equisetum;Equisetum hyemale;Equisetum hyemale subsp. affine | ||
| Line 40: | Line 48: | ||
|habitat=Moist roadsides, riverbanks, lakeshores, woodlands | |habitat=Moist roadsides, riverbanks, lakeshores, woodlands | ||
|elevation=0–3000 m | |elevation=0–3000 m | ||
| − | |distribution=Alta.;B.C.;Man.;N.B.;Nfld.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska | + | |distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Ala.;Alaska;Ariz.;Ark.;Calif.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Mexico;Central America in Guatemala. |
| − | |discussion=<p>In southern and central to western regions plants tend to be taller and have more persistent teeth (Equisetum robustum, E. prealtum); in the Far West they often have bituberculate ridges (E. hyemale var. californicum). Equisetum hyemale subsp. hyemale is found in Europe and Asia to northwestern China in Xinjiang.</p> | + | |discussion=<p>In southern and central to western regions plants tend to be taller and have more persistent teeth (<i>Equisetum</i> robustum, E. prealtum); in the Far West they often have bituberculate ridges (<i>E. hyemale</i> <i></i>var.<i> californicum</i>). <i>Equisetum hyemale</i> subsp. hyemale is found in Europe and Asia to northwestern China in Xinjiang.</p><!-- |
| + | --><p>Subspecies affine is found throughout subarctic Alaska, including the Aleutian Islands.</p> | ||
|tables= | |tables= | ||
|references= | |references= | ||
| Line 50: | Line 59: | ||
-->{{#Taxon: | -->{{#Taxon: | ||
name=Equisetum hyemale subsp. affine | name=Equisetum hyemale subsp. affine | ||
| − | |||
|authority=(Engelmann) Calder & Roy L. Taylor | |authority=(Engelmann) Calder & Roy L. Taylor | ||
|rank=subspecies | |rank=subspecies | ||
| Line 60: | Line 68: | ||
|habitat=Moist roadsides, riverbanks, lakeshores, woodlands | |habitat=Moist roadsides, riverbanks, lakeshores, woodlands | ||
|elevation=0–3000 m | |elevation=0–3000 m | ||
| − | |distribution=Alta.;B.C.;Man.;N.B.;Nfld.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska | + | |distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Ala.;Alaska;Ariz.;Ark.;Calif.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Mont.;Nebr.;Nev.;N.H.;N.J.;N.Mex.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Oreg.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Vt.;Va.;Wash.;W.Va.;Wis.;Wyo.;Mexico;Central America in Guatemala. |
|reference=None | |reference=None | ||
|publication title=Canad. J. Bot. | |publication title=Canad. J. Bot. | ||
|publication year=1965 | |publication year=1965 | ||
|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_735.xml |
|genus=Equisetum | |genus=Equisetum | ||
|subgenus=Equisetum subg. Equisetum | |subgenus=Equisetum subg. Equisetum | ||
Latest revision as of 20:25, 5 November 2020
Aerial stems persisting more than a year, unbranched, 18–220 cm; lines of stomates single; ridges 14–50. Sheaths when mature dark-girdled, brown to gray above girdle, squarish in face view, 4.5–17 × 3.5–18 mm; teeth 14–50, articulate and promptly shed or persistent. Cone apex pointed; spores green, spheric. 2n =216.
Phenology: Cones maturing in summer, old stems sometimes developing branches with cones in spring.
Habitat: Moist roadsides, riverbanks, lakeshores, woodlands
Elevation: 0–3000 m
Distribution
Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Ala., Alaska, Ariz., Ark., Calif., Colo., Conn., Del., D.C., Fla., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Mexico, Central America in Guatemala.
Discussion
In southern and central to western regions plants tend to be taller and have more persistent teeth (Equisetum robustum, E. prealtum); in the Far West they often have bituberculate ridges (E. hyemale var. californicum). Equisetum hyemale subsp. hyemale is found in Europe and Asia to northwestern China in Xinjiang.
Subspecies affine is found throughout subarctic Alaska, including the Aleutian Islands.
Selected References
None.
Lower Taxa
None.
... more about "Equisetum hyemale subsp. affine"
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Ala. +, Alaska +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Mexico + and Central America in Guatemala. +
Present +
Canad. J. Bot. +
1965 +
Illustrated +
Equisetum hyemale subsp. affine +
Equisetum hyemale +
subspecies +