Difference between revisions of "Equisetum pratense"

Ehrhart

Hannover. Mag. 22: 138. 1784.

Common names: Meadow horsetail prêle des prés
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="stem location;stem growth form"><b>Aerial </b>stems dimorphic;</span> <span class="statement" id="st-d0_s1" data-properties="stem reproduction;stem coloration;stem architecture;stem some measurement">vegetative stems green, branched, 16–50 cm;</span> <span class="statement" id="st-d0_s2" data-properties="center architecture;center count">hollow center 1/6–1/3 stem diam.</span> <span class="statement" id="st-d0_s3" data-properties="sheath shape;sheath length;sheath width"><b>Sheaths </b>somewhat elongate, 3–5 × 2–4 mm;</span> <span class="statement" id="st-d0_s4" data-properties="tooth count;tooth size or width;tooth some measurement;center coloration;margin coloration">teeth 8–18, narrow, 1.5–4 mm, centers dark and margins white.</span> <span class="statement" id="st-d0_s5" data-properties="branch orientation;branch orientation;branch orientation;branch architecture;whorl architecture"><b>Branches </b>in regular whorls, horizontal to drooping, solid;</span> <span class="statement" id="st-d0_s6" data-properties="ridge count">ridges 3;</span> <span class="statement" id="st-d0_s7" data-properties="">valleys channeled;</span> <span class="statement" id="st-d0_s8" data-properties="valley shape;internode variability;internode length or size">1st internode of each branch equal to or longer than subtending stem sheath;</span> <span class="statement" id="st-d0_s9" data-properties="sheath tooth shape">sheath teeth deltate.</span> <span class="statement" id="st-d0_s10" data-properties="stem reproduction;stem coloration;stem architecture;stem duration;stem architecture;stem coloration"><b>Fertile </b>stems brown, with stomates, initially unbranched, persisting and becoming branched and green after spore discharge.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Aerial </b>stems dimorphic; vegetative stems green, branched, 16–50 cm; hollow center 1/6–1/3 stem diam. <b>Sheaths</b> somewhat elongate, 3–5 × 2–4 mm; teeth 8–18, narrow, 1.5–4 mm, centers dark and margins white. <b>Branches</b> in regular whorls, horizontal to drooping, solid; ridges 3; valleys channeled; 1st internode of each branch equal to or longer than subtending stem sheath; sheath teeth deltate. <b>Fertile</b> stems brown, with stomates, initially unbranched, persisting and becoming branched and green after spore discharge.</span><!--
  
 
-->{{Treatment/Body
 
-->{{Treatment/Body
 +
|phenology=Cones maturing in late spring.
 
|habitat=Meadows, wet woodlands
 
|habitat=Meadows, wet woodlands
 
|elevation=0–2000 m
 
|elevation=0–2000 m
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|basionyms=
 
|basionyms=
 
|family=Equisetaceae
 
|family=Equisetaceae
 +
|phenology=Cones maturing in late spring.
 
|habitat=Meadows, wet woodlands
 
|habitat=Meadows, wet woodlands
 
|elevation=0–2000 m
 
|elevation=0–2000 m
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|publication year=1784
 
|publication year=1784
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_180.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_180.xml
 
|genus=Equisetum
 
|genus=Equisetum
 
|subgenus=Equisetum subg. Hippochaete
 
|subgenus=Equisetum subg. Hippochaete
 
|species=Equisetum pratense
 
|species=Equisetum pratense
|branch architecture=solid
 
|branch orientation=horizontal;drooping
 
|center architecture=hollow
 
|center coloration=dark
 
|center count=1/6;1/3
 
|internode length or size=longer
 
|internode variability=equal
 
|margin coloration=white
 
|ridge count=3
 
|sheath length=3mm;5mm
 
|sheath shape=elongate
 
|sheath tooth shape=deltate
 
|sheath width=2mm;4mm
 
|stem architecture=branched;unbranched;branched
 
|stem coloration=green;brown;green
 
|stem duration=persisting
 
|stem growth form=dimorphic
 
|stem location=aerial
 
|stem reproduction=fertile;vegetative
 
|stem some measurement=16cm;50cm
 
|tooth count=8;18
 
|tooth size or width=narrow
 
|tooth some measurement=1.5mm;4mm
 
|valley shape=channeled
 
|whorl architecture=regular
 
 
}}<!--
 
}}<!--
  
 
-->[[Category:Treatment]][[Category:Equisetum subg. Hippochaete]]
 
-->[[Category:Treatment]][[Category:Equisetum subg. Hippochaete]]

Revision as of 14:13, 27 July 2019

Aerial stems dimorphic; vegetative stems green, branched, 16–50 cm; hollow center 1/6–1/3 stem diam. Sheaths somewhat elongate, 3–5 × 2–4 mm; teeth 8–18, narrow, 1.5–4 mm, centers dark and margins white. Branches in regular whorls, horizontal to drooping, solid; ridges 3; valleys channeled; 1st internode of each branch equal to or longer than subtending stem sheath; sheath teeth deltate. Fertile stems brown, with stomates, initially unbranched, persisting and becoming branched and green after spore discharge.


Phenology: Cones maturing in late spring.
Habitat: Meadows, wet woodlands
Elevation: 0–2000 m

Distribution

V2 180-distribution-map.gif

Alta., B.C., Man., N.B., Nfld., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska, Conn., Ill., Iowa, Maine, Mass., Mich., Minn., N.H., N.Y., N.Dak., Vt., Wis., n Eurasia to ne China, Japan in Hokkaido.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Equisetum pratense"
Richard L. Hauke +
Ehrhart +
Undefined subg. Hippochaete +
Meadow horsetail +  and prêle des prés +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Conn. +, Ill. +, Iowa +, Maine +, Mass. +, Mich. +, Minn. +, N.H. +, N.Y. +, N.Dak. +, Vt. +, Wis. +, n Eurasia to ne China +  and Japan in Hokkaido. +
0–2000 m +
Meadows, wet woodlands +
Cones maturing in late spring. +
Hannover. Mag. +
Equisetum pratense +
Equisetum subg. Hippochaete +
species +