View source for Dryopteris clintoniana

{{Treatment/ID
|accepted_name=Dryopteris clintoniana
|accepted_authority=(D. C. Eaton) Dowell
|publications={{Treatment/Publication
|title=Proc. Staten Island Assoc. Arts
|place=1: 64. 1906
|year=1906
}}
|common_names=Clinton's wood fern;dryoptère de clinton
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Aspidium cristatum var. clintonianum
|authority=D. C. Eaton
|rank=variety
|publication_title=in A. Gray, Manual ed.
|publication_place=5, 665. 1867
}}
|synonyms={{Treatment/ID/Synonym
|name=Dryopteris cristata var. clintoniana
|authority=(D. C. Eaton) L. Underwood
|rank=variety
}}
|hierarchy=Dryopteridaceae;Dryopteris;Dryopteris clintoniana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Dryopteridaceae]]</div><div class="higher-taxon"><small>genus</small>[[Dryopteris]]</div><div class="higher-taxon"><small>species</small>[[Dryopteris clintoniana]]</div></div>
|volume=Volume 2
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Leaves </b>dimorphic, 45–100 × 12–20 cm; fertile leaves dying back in winter; sterile leaves 1–several, smaller, green through winter. <b>Petiole</b> 1/4–1/3 length of leaf, scaly at least at base; scales scattered, tan, sometimes with dark brown center. <b>Blade</b> green, lanceolate, with nearly parallel sides, pinnate-pinnatifid, herbaceous, not glandular. <b>Pinnae</b> of fertile leaves twisted out of plane of blade but not fully perpendicular to it, narrowly elongate-deltate; basal pinnae narrowly elongate-deltate, much reduced; basal pinnules longer than or equal to adjacent pinnules, basal basiscopic pinnule and basal acroscopic pinnule equal; pinnule margins serrate or biserrate, with spiny teeth. <b>Sori</b> midway between midvein and margin of segments. <b>Indusia</b> lacking glands. <b>2n</b> = 246.</span><!--

-->{{Treatment/Body
|habitat=Swampy woods
|elevation=50–600 m
|distribution=N.B.;Ont.;Que.;Conn.;Ind.;Maine;Mass.;Mich.;N.H.;N.J.;N.Y.;Ohio;Pa.;R.I.;Vt.
|discussion=<p><i>Dryopteris clintoniana</i> is a North American endemic and an allohexaploid derived from <i>D. cristata</i> and D. goldieana. <i>Dryopteris clintoniana</i> hybridizes with six species. Hybrids can be identified by the fairly narrow blades and elongate-deltate proximal pinnae.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Dryopteris clintoniana
|authority=(D. C. Eaton) Dowell
|rank=species
|parent rank=genus
|synonyms=Dryopteris cristata var. clintoniana
|basionyms=Aspidium cristatum var. clintonianum
|family=Dryopteridaceae
|habitat=Swampy woods
|elevation=50–600 m
|distribution=N.B.;Ont.;Que.;Conn.;Ind.;Maine;Mass.;Mich.;N.H.;N.J.;N.Y.;Ohio;Pa.;R.I.;Vt.
|reference=None
|publication title=Proc. Staten Island Assoc. Arts
|publication year=1906
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_547.xml
|genus=Dryopteris
|species=Dryopteris clintoniana
}}<!--

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[[Category:Treatment]]
[[Category:Dryopteris]]
[[Category:Revised Since Print]]