Difference between revisions of "Equisetum ×nelsonii"
Amer. Fern J. 16: 46. 1926.
Basionym: Equisetum variegatum var. nelsonii A.A. Eaton Fern Bull. 12: 41. 1904
Treatment appears in FNA Volume 2. Treatment on page 84.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Equisetum variegatum var. nelsonii | |name=Equisetum variegatum var. nelsonii | ||
|authority=A.A. Eaton | |authority=A.A. Eaton | ||
| + | |rank=variety | ||
| + | |publication_title=Fern Bull. | ||
| + | |publication_place=12: 41. 1904 | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Aerial </b>stems persisting less than a year or only the proximal part overwintering, unbranched, 20–60 cm; lines of stomates single; ridges 6–14. <b>Sheaths</b> green, elongate, 3.5–7.5 × 2–4 mm; teeth 6–14, centers brown and margins white, prominent, tip usually brown, long, filiform. <b>Cone</b> apex pointed; spores white, misshapen.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Cones maturing in early summer, but spores not shed. | ||
|habitat=Lakeshores, riverbanks. | |habitat=Lakeshores, riverbanks. | ||
|distribution=Ont.;Que.;Ill.;Ind.;Mich.;Minn.;Mont.;N.Y.;Oreg.;Wis.;Wyo. | |distribution=Ont.;Que.;Ill.;Ind.;Mich.;Minn.;Mont.;N.Y.;Oreg.;Wis.;Wyo. | ||
| − | |discussion=<p>Equisetum × nelsonii, the hybrid between E. laevigatum and E. variegatum, is often mistaken for small forms of E. × ferrissii.</p> | + | |discussion=<p><i>Equisetum</i> × <i>nelsonii</i>, the hybrid between <i>E. laevigatum</i> and <i>E. variegatum</i>, is often mistaken for small forms of <i>E.</i> × <i>ferrissii</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Equisetum ×nelsonii | name=Equisetum ×nelsonii | ||
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|authority=(A. A. Eaton) J. H. Schaffner | |authority=(A. A. Eaton) J. H. Schaffner | ||
|rank=species | |rank=species | ||
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|basionyms=Equisetum variegatum var. nelsonii | |basionyms=Equisetum variegatum var. nelsonii | ||
|family=Equisetaceae | |family=Equisetaceae | ||
| + | |phenology=Cones maturing in early summer, but spores not shed. | ||
|habitat=Lakeshores, riverbanks. | |habitat=Lakeshores, riverbanks. | ||
|distribution=Ont.;Que.;Ill.;Ind.;Mich.;Minn.;Mont.;N.Y.;Oreg.;Wis.;Wyo. | |distribution=Ont.;Que.;Ill.;Ind.;Mich.;Minn.;Mont.;N.Y.;Oreg.;Wis.;Wyo. | ||
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|publication year=1926 | |publication year=1926 | ||
|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_45.xml |
|genus=Equisetum | |genus=Equisetum | ||
|subgenus=Equisetum subg. Equisetum | |subgenus=Equisetum subg. Equisetum | ||
|species=Equisetum ×nelsonii | |species=Equisetum ×nelsonii | ||
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-->[[Category:Treatment]][[Category:Equisetum subg. Equisetum]] | -->[[Category:Treatment]][[Category:Equisetum subg. Equisetum]] | ||
Latest revision as of 20:23, 5 November 2020
Aerial stems persisting less than a year or only the proximal part overwintering, unbranched, 20–60 cm; lines of stomates single; ridges 6–14. Sheaths green, elongate, 3.5–7.5 × 2–4 mm; teeth 6–14, centers brown and margins white, prominent, tip usually brown, long, filiform. Cone apex pointed; spores white, misshapen.
Phenology: Cones maturing in early summer, but spores not shed.
Habitat: Lakeshores, riverbanks.
Distribution
Ont., Que., Ill., Ind., Mich., Minn., Mont., N.Y., Oreg., Wis., Wyo.
Discussion
Equisetum × nelsonii, the hybrid between E. laevigatum and E. variegatum, is often mistaken for small forms of E. × ferrissii.
Selected References
None.
Lower Taxa
None.