Difference between revisions of "Equisetum palustre"
Sp. Pl. 2: 1061. 1753.
Common names: Marsh horsetail prêle des marais
Synonyms: Equisetum palustre var. americanum Victorin
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Aerial </b>stems monomorphic, green, branched or unbranched, 20–80 cm; hollow center small, to 1/3 stem diam.; vallecular canals nearly as large. <b>Sheaths</b> elongate, 4–9 × 2–5 mm; teeth dark, 5–10, narrow, 2–5 mm, margins white, scarious. <b>Branches</b> 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. <b>2n</b> =216.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Cones maturing in summer. | ||
|habitat=Marshes and swamps | |habitat=Marshes and swamps | ||
|elevation=0–1500m | |elevation=0–1500m | ||
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|basionyms= | |basionyms= | ||
|family=Equisetaceae | |family=Equisetaceae | ||
| + | |phenology=Cones maturing in summer. | ||
|habitat=Marshes and swamps | |habitat=Marshes and swamps | ||
|elevation=0–1500m | |elevation=0–1500m | ||
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|publication year=1753 | |publication year=1753 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_358.xml |
|genus=Equisetum | |genus=Equisetum | ||
|subgenus=Equisetum subg. Hippochaete | |subgenus=Equisetum subg. Hippochaete | ||
|species=Equisetum palustre | |species=Equisetum palustre | ||
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-->[[Category:Treatment]][[Category:Equisetum subg. Hippochaete]] | -->[[Category:Treatment]][[Category:Equisetum subg. Hippochaete]] | ||
Revision as of 13:18, 27 July 2019
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., 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.
Lower Taxa
None.