View source for Botrychium pinnatum

{{Treatment/ID
|accepted_name=Botrychium pinnatum
|accepted_authority=H. St. John
|publications={{Treatment/Publication
|title=Amer. Fern J.
|place=19: 11. 1929
|year=1929
}}
|common_names=Northwestern moonwort
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Botrychium boreale subsp. obtusilobum
|authority=(Ruprecht) R.T. Clausen
}}
|hierarchy=Ophioglossaceae;Botrychium;Botrychium subg. Botrychium;Botrychium pinnatum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Ophioglossaceae]]</div><div class="higher-taxon"><small>genus</small>[[Botrychium]]</div><div class="higher-taxon"><small>subgenus</small>[[Botrychium subg. Botrychium]]</div><div class="higher-taxon"><small>species</small>[[Botrychium pinnatum]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="trophophore stalk some measurement;trophophore stalk length"><b>Trophophore </b>stalk 0–2 mm, 0 to 0.1 times length of trophophore rachis;</span> <span class="statement" id="st-d0_s1" data-properties="blade reflectance;blade reflectance;blade coloration;blade shape;blade architecture or shape;blade length;blade width;blade texture">blade bright shiny green, oblong-deltate, 1–2-pinnate, to 8 × 5 cm, papery.</span> <span class="statement" id="st-d0_s2" data-properties="between pinnae pinna count;between pinnae pinna orientation;between pinnae pinna arrangement;between pinnae pinna arrangement;between pinnae pinna arrangement;basal pinna variability;basal pinna shape;basal pinna shape;basal pinna shape;basal pinna shape;basal pinna shape;basal pinna shape;basal pinna shape;basal pinna shape;basal pinna shape;basal pinna shape;basal pinna shape;basal pinna shape;basal pinna shape;pair arrangement;apex shape;apex shape;apex architecture or shape;margin shape"><b>Pinnae </b>to 7 pairs, only slightly ascending, approximate to overlapping, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, basal pinna pair approximately equal in size and cutting to adjacent pair, obliquely ovate to lanceolate-oblong, to spatulate, deeply and regularly lobed or pinnulate, lobed to tip, margins entire to very shallowly crenate, apex truncate to somewhat acute, venation pinnate.</span> <span class="statement" id="st-d0_s3" data-properties=""><b>Sporophores </b>2-pinnate, 1–2 times length of trophophore.</span> <span class="statement" id="st-d0_s4" data-properties="sporophore architecture or shape;sporophore length;2n chromosome count">2n =180.</span><!--

-->{{Treatment/Body
|habitat=Grassy slopes, streambanks, woods
|elevation=0–2500 m
|distribution=Alta.;B.C.;N.W.T.;Yukon;Alaska;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;Utah;Wash.;Wyo.
|discussion=<p>Botrychium pinnatum is most commonly associated with B. lanceolatum and B. lunaria. Specimens of B. pinnatum have been misidentified as Botrychium boreale.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Botrychium pinnatum
|author=
|authority=H. St. John
|rank=species
|parent rank=subgenus
|synonyms=Botrychium boreale subsp. obtusilobum
|basionyms=
|family=Ophioglossaceae
|habitat=Grassy slopes, streambanks, woods
|elevation=0–2500 m
|distribution=Alta.;B.C.;N.W.T.;Yukon;Alaska;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;Utah;Wash.;Wyo.
|reference=None
|publication title=Amer. Fern J.
|publication year=1929
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V2/V2_582.xml
|genus=Botrychium
|subgenus=Botrychium subg. Botrychium
|species=Botrychium pinnatum
|2n chromosome count=180
|apex architecture or shape=pinnate
|apex shape=acute;truncate to somewhat
|basal pinna shape=crenate;entire to very;lobed;pinnulate;lobed;obliquely ovate;lanceolate-oblong
|basal pinna variability=equal
|between pinnae pinna arrangement=approximate;overlapping
|between pinnae pinna count=0;7
|between pinnae pinna orientation=ascending
|blade architecture or shape=1-2-pinnate
|blade coloration=green
|blade length=0cm;8cm
|blade reflectance=shiny;bright
|blade shape=oblong-deltate
|blade texture=papery
|blade width=0cm;5cm
|margin shape=entire to very
|pair arrangement=adjacent
|sporophore architecture or shape=2-pinnate
|sporophore length=1-2 times length of trophophore
|trophophore stalk length=0-0.1 times length of trophophore rachis
|trophophore stalk some measurement=0mm;2mm
}}<!--

-->[[Category:Treatment]][[Category:Botrychium subg. Botrychium]]