Difference between revisions of "Equisetum palustre"
Sp. Pl. 2: 1061. 1753.
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GeoffLevin (talk | contribs) m (Fixed Nfld. and Labr. distribution to match printed version.) |
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|habitat=Marshes and swamps | |habitat=Marshes and swamps | ||
|elevation=0–1500m | |elevation=0–1500m | ||
| − | |distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr. | + | |distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Calif.;Idaho;Maine;Mich.;Minn.;Mont.;N.H.;N.Y.;N.Dak.;Oreg.;Pa.;Vt.;Wash.;Wis.;Eurasia s to Himalayas;n China;Korea;Japan. |
|discussion=<p>The name <i>Equisetum palustre</i> <i></i>var.<i> americanum</i> has been used for specimens from the flora that have longer teeth than those from Eurasia.</p> | |discussion=<p>The name <i>Equisetum palustre</i> <i></i>var.<i> americanum</i> has been used for specimens from the flora that have longer teeth than those from Eurasia.</p> | ||
|tables= | |tables= | ||
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|habitat=Marshes and swamps | |habitat=Marshes and swamps | ||
|elevation=0–1500m | |elevation=0–1500m | ||
| − | |distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr. | + | |distribution=Alta.;B.C.;Man.;N.B.;Nfld. and Labr.;N.W.T.;N.S.;Ont.;P.E.I.;Que.;Sask.;Yukon;Alaska;Calif.;Idaho;Maine;Mich.;Minn.;Mont.;N.H.;N.Y.;N.Dak.;Oreg.;Pa.;Vt.;Wash.;Wis.;Eurasia s to Himalayas;n China;Korea;Japan. |
|reference=None | |reference=None | ||
|publication title=Sp. Pl. | |publication title=Sp. Pl. | ||
Latest revision as of 22:24, 20 February 2024
Aerial stems monomorphic, green, branched or unbranched, 20–80 cm; hollow center small, to 1/3 stem diam.; vallecular canals nearly as large. Sheaths elongate, 4–9 × 2–5 mm; teeth dark, 5–10, narrow, 2–5 mm, margins white, scarious. Branches when present only from midstem nodes, spreading, hollow; ridges 4–6; valleys rounded; 1st internode of each branch shorter than subtending stem sheath; sheath teeth narrow. 2n =216.
Phenology: Cones maturing in summer.
Habitat: Marshes and swamps
Elevation: 0–1500m
Distribution
Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska, Calif., Idaho, Maine, Mich., Minn., Mont., N.H., N.Y., N.Dak., Oreg., Pa., Vt., Wash., Wis., Eurasia s to Himalayas, n China, Korea, Japan.
Discussion
The name Equisetum palustre var. americanum has been used for specimens from the flora that have longer teeth than those from Eurasia.
Selected References
None.