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.
FNA>Volume Importer |
FNA>Volume Importer |
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| Line 10: | Line 10: | ||
|name=Equisetum robustum var. affine | |name=Equisetum robustum var. affine | ||
|authority=Engelmann | |authority=Engelmann | ||
| + | |rank=variety | ||
|publication_title=Amer. J. Sci. Arts | |publication_title=Amer. J. Sci. Arts | ||
|publication_place=46: 88. 1844 | |publication_place=46: 88. 1844 | ||
| Line 16: | Line 17: | ||
|name=Equisetum hyemale var. affine | |name=Equisetum hyemale var. affine | ||
|authority=(Engelmann) A.A. Eaton | |authority=(Engelmann) A.A. Eaton | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Equisetum hyemale var. californicum | |name=Equisetum hyemale var. californicum | ||
|authority=J.Milde | |authority=J.Milde | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Equisetum hyemale var. pseudohyemale | |name=Equisetum hyemale var. pseudohyemale | ||
|authority=(Farwell) C.V. Morton | |authority=(Farwell) C.V. Morton | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{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 | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{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 | ||
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|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 including the Aleutian Islands;all other states;Mexico;Central America in Guatemala. | |distribution=Alta.;B.C.;Man.;N.B.;Nfld.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska including the Aleutian Islands;all other states;Mexico;Central America in Guatemala. | ||
| − | |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> < | + | |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> |
|tables= | |tables= | ||
|references= | |references= | ||
| Line 52: | Line 58: | ||
-->{{#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 67: | Line 72: | ||
|publication year=1965 | |publication year=1965 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_735.xml |
|genus=Equisetum | |genus=Equisetum | ||
|subgenus=Equisetum subg. Equisetum | |subgenus=Equisetum subg. Equisetum | ||
Revision as of 19:50, 16 December 2019
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., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska including the Aleutian Islands, all other states, 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.
Selected References
None.
Lower Taxa
None.