View source for Equisetum pratense

{{Treatment/ID
|accepted_name=Equisetum pratense
|accepted_authority=Ehrhart
|publications={{Treatment/Publication
|title=Hannover. Mag.
|place=22: 138. 1784
|year=1784
}}
|common_names=Meadow horsetail;prêle des prés
|basionyms=
|synonyms=
|hierarchy=Equisetaceae;Equisetum;Equisetum subg. Hippochaete;Equisetum pratense
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Equisetaceae]]</div><div class="higher-taxon"><small>genus</small>[[Equisetum]]</div><div class="higher-taxon"><small>subgenus</small>[[Equisetum subg. Hippochaete]]</div><div class="higher-taxon"><small>species</small>[[Equisetum pratense]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><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><!--

-->{{Treatment/Body
|habitat=Meadows, wet woodlands
|elevation=0–2000 m
|distribution=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.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Equisetum pratense
|author=
|authority=Ehrhart
|rank=species
|parent rank=subgenus
|synonyms=
|basionyms=
|family=Equisetaceae
|habitat=Meadows, wet woodlands
|elevation=0–2000 m
|distribution=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.
|reference=None
|publication title=Hannover. Mag.
|publication year=1784
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_180.xml
|genus=Equisetum
|subgenus=Equisetum subg. Hippochaete
|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]]