View source for Polystichum lonchitis

{{Treatment/ID
|accepted_name=Polystichum lonchitis
|accepted_authority=(Linnaeus) Roth
|publications={{Treatment/Publication
|title=Tent. Fl. Germ.
|place=3(1): 71. 1799
|year=1799
}}
|common_names=Holly fern;polystic faux-lonchitis
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Polypodium lonchitis
|authority=Linnaeus
|rank=species
|publication_title=Sp. Pl.
|publication_place=2: 1088. 1753
}}
|synonyms=
|hierarchy=Dryopteridaceae;Polystichum;Polystichum lonchitis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Dryopteridaceae]]</div><div class="higher-taxon"><small>genus</small>[[Polystichum]]</div><div class="higher-taxon"><small>species</small>[[Polystichum lonchitis]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect to occasionally ascending. <b>Leaves</b> erect, not arching except at tip, 1–6 dm; bulblets absent. <b>Petiole</b> 1/10–1/6 of blade, densely scaly; scales light brown, gradually diminishing in size distally. <b>Blade</b> linear, often widest above middle, 1-pinnate, base narrowed. <b>Pinnae</b> oblong to lanceolate to falcate, proximal pinnae ± deltate, rarely overlapping, in 1 plane, 0.5–3 cm, base truncate to oblique, acroscopic auricle well developed; margins serrulate-spiny with teeth spreading; apex acute, subapical tooth hardly smaller than apical tooth; microscales dense, on abaxial surface only. <b>Indusia</b> entire or minutely dentate-erose. <b>Spores</b> dark brown. <b>2n</b> = 82.</span><!--

-->{{Treatment/Body
|habitat=In rock crevices or at base of boulders, mostly in boreal and subalpine coniferous forests or alpine regions
|elevation=0–3200 m
|distribution=Greenland;Alta.;B.C.;Nfld. and Labr. (Nfld.);N.S.;Ont.;Que.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mich.;Minn.;Mont.;Nev.;Oreg.;Utah;Wash.;Wis.;Wyo.
|discussion=<p>The hybrid between <i>Polystichum lonchitis</i> and <i>P. acrostichoides</i> (= P. × hagenahii Cody) is discussed under <i>P. acrostichoides</i>. The hybrid with <i>P. braunii</i> (= P. × meyeri Sleep & Reichstein) is discussed under <i>P. braunii</i>. In the Georgian Bay area of Ontario, <i>P. lonchitis</i> hybridizes with <i>Dryopteris</i> goldieana to produce the peculiar × Dryostichum singulare W. H. Wagner (W. H. Wagner Jr., F. S. Wagner et al. 1992).</p><!--
--><p>The spiny spores of <i>P. lonchitis</i> are distinctive and distinguish this from dwarfed forms of other 1-pinnate species.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Polystichum lonchitis
|authority=(Linnaeus) Roth
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Polypodium lonchitis
|family=Dryopteridaceae
|habitat=In rock crevices or at base of boulders, mostly in boreal and subalpine coniferous forests or alpine regions
|elevation=0–3200 m
|distribution=Greenland;Alta.;B.C.;Nfld. and Labr. (Nfld.);N.S.;Ont.;Que.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mich.;Minn.;Mont.;Nev.;Oreg.;Utah;Wash.;Wis.;Wyo.
|reference=None
|publication title=Tent. Fl. Germ.
|publication year=1799
|special status=Illustrated;Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V2/V2_382.xml
|genus=Polystichum
|species=Polystichum lonchitis
}}<!--

-->[[Category:Treatment]][[Category:Polystichum]]