Difference between revisions of "Equisetum laevigatum"

A. Braun

Amer. J. Sci. Arts 46: 87. 1844.

Common names: Smooth scouring rush
Basionym: Equisetum funstonii A.A. Eaton
Treatment appears in FNA Volume 2.
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--><span class="statement" id="st-d0_s0" data-properties="stem location;stem duration;stem duration;stem architecture;stem some measurement"><b>Aerial </b>stems lasting less than a year, occasionally overwintering in the southwestern United States, usually unbranched, 20–150 cm;</span> <span class="statement" id="st-d0_s1" data-properties="stomate count">lines of stomates single;</span> <span class="statement" id="st-d0_s2" data-properties="ridge count">ridges 10–32.</span> <span class="statement" id="st-d0_s3" data-properties="sheath coloration;sheath shape;sheath length;sheath width"><b>Sheaths </b>green, elongate, 7–15 × 3–9 mm;</span> <span class="statement" id="st-d0_s4" data-properties="tooth count;tooth architecture;rim coloration">teeth 10–32, articulate and usually shed early, leaving dark rim on sheath.</span> <span class="statement" id="st-d0_s5" data-properties="cone apex shape;cone apex shape;cone apex shape;tip shape"><b>Cone </b>apex rounded to apiculate with blunt tip;</span> <span class="statement" id="st-d0_s6" data-properties="">spores green, spheric.</span> <span class="statement" id="st-d0_s7" data-properties="spore coloration;spore shape;2n chromosome count">2n =216.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Aerial </b>stems lasting less than a year, occasionally overwintering in the southwestern United States, usually unbranched, 20–150 cm; lines of stomates single; ridges 10–32. <b>Sheaths</b> green, elongate, 7–15 × 3–9 mm; teeth 10–32, articulate and usually shed early, leaving dark rim on sheath. <b>Cone</b> apex rounded to apiculate with blunt tip; spores green, spheric. <b>2n</b> =216.</span><!--
  
 
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|phenology=Cones maturing in spring–early summer.
 
|habitat=Moist prairies, riverbanks, roadsides
 
|habitat=Moist prairies, riverbanks, roadsides
 
|elevation=1530–3500 m
 
|elevation=1530–3500 m
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|basionyms=Equisetum funstonii
 
|basionyms=Equisetum funstonii
 
|family=Equisetaceae
 
|family=Equisetaceae
 +
|phenology=Cones maturing in spring–early summer.
 
|habitat=Moist prairies, riverbanks, roadsides
 
|habitat=Moist prairies, riverbanks, roadsides
 
|elevation=1530–3500 m
 
|elevation=1530–3500 m
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|publication year=1844
 
|publication year=1844
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_20.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V2/V2_20.xml
 
|genus=Equisetum
 
|genus=Equisetum
 
|subgenus=Equisetum subg. Equisetum
 
|subgenus=Equisetum subg. Equisetum
 
|species=Equisetum laevigatum
 
|species=Equisetum laevigatum
|2n chromosome count=216
 
|cone apex shape=rounded;apiculate
 
|ridge count=10;32
 
|rim coloration=dark
 
|sheath coloration=green
 
|sheath length=7mm;15mm
 
|sheath shape=elongate
 
|sheath width=3mm;9mm
 
|spore coloration=green
 
|spore shape=spheric
 
|stem architecture=unbranched
 
|stem duration=overwintering;lasting
 
|stem location=aerial
 
|stem some measurement=20cm;150cm
 
|stomate count=single
 
|tip shape=blunt
 
|tooth architecture=articulate
 
|tooth count=10;32
 
 
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-->[[Category:Treatment]][[Category:Equisetum subg. Equisetum]]
 
-->[[Category:Treatment]][[Category:Equisetum subg. Equisetum]]

Revision as of 13:13, 27 July 2019

Aerial stems lasting less than a year, occasionally overwintering in the southwestern United States, usually unbranched, 20–150 cm; lines of stomates single; ridges 10–32. Sheaths green, elongate, 7–15 × 3–9 mm; teeth 10–32, articulate and usually shed early, leaving dark rim on sheath. Cone apex rounded to apiculate with blunt tip; spores green, spheric. 2n =216.


Phenology: Cones maturing in spring–early summer.
Habitat: Moist prairies, riverbanks, roadsides
Elevation: 1530–3500 m

Distribution

V2 20-distribution-map.gif

Alta., B.C., Man., Ont., Que., Sask., Ariz., Ark., Calif., Colo., Idaho, Ill., Ind., Iowa, Kans., Mich., Minn., Mo., Mont., Nebr., Nev., N.Mex., N.Dak., Ohio, Okla., Oreg., S.Dak., Tex., Utah, Wash., Wis., Wyo., n Mexico including Baja California.

Discussion

Schaffner named this species Equisetum kansanum because he applied the name E. laevigatum to what we now know is the hybrid E. × ferrissii. The coarser-stemmed, occasionally persistent forms in the southwestern United States have been called Equisetum funstonii.

Selected References

None.

Lower Taxa

None.
... more about "Equisetum laevigatum"
Richard L. Hauke +
A. Braun +
Equisetum funstonii +
Smooth scouring rush +
Alta. +, B.C. +, Man. +, Ont. +, Que. +, Sask. +, Ariz. +, Ark. +, Calif. +, Colo. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.Mex. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, S.Dak. +, Tex. +, Utah +, Wash. +, Wis. +, Wyo. +  and n Mexico including Baja California. +
1530–3500 m +
Moist prairies, riverbanks, roadsides +
Cones maturing in spring–early summer. +
Amer. J. Sci. Arts +
Equisetum laevigatum +
Equisetum subg. Equisetum +
species +