Difference between revisions of "Dryopteris filix-mas"
Gen. Fil. plate 67. 1834.
Common names: Male fern dryoptère fougère mâle
Basionym: Polypodium filix-mas Linnaeus Sp. Pl. 2: 1090. 1753
Treatment appears in FNA Volume 2.
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|common_names=Male fern;dryoptère fougère mâle | |common_names=Male fern;dryoptère fougère mâle | ||
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|name=Polypodium filix-mas | |name=Polypodium filix-mas | ||
|authority=Linnaeus | |authority=Linnaeus | ||
| + | |rank=species | ||
| + | |publication_title=Sp. Pl. | ||
| + | |publication_place=2: 1090. 1753 | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Leaves </b>monomorphic, dying back in winter, 28–120 × 10–30 cm. <b>Petiole</b> less than 1/4 length of leaf, scaly at least at base; scales scattered, brown, of 2 distinct kinds, 1 broad, 1 hairlike (only this species has 2 distinct forms of scales without intermediates). <b>Blade</b> green, ovate-lanceolate, pinnate-pinnatifid to 2-pinnate at base, firm but not leathery, not glandular. <b>Pinnae</b> ± in plane of blade, lanceolate; basal pinnae ovate-lanceolate, much reduced, basal pinnules or segments ± same length as adjacent pinnules, basal basiscopic pinnule and basal acroscopic pinnule equal; pinnule margins serrate to lobed. <b>Sori</b> midway between midvein and margin of segments. <b>Indusia</b> lacking glands. <b>2n</b> = 164.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
|habitat=Dense woods and talus slopes on limestone (ne North America), open woods among boulders and talus of granite or igneous rock (Rocky Mountains) | |habitat=Dense woods and talus slopes on limestone (ne North America), open woods among boulders and talus of granite or igneous rock (Rocky Mountains) | ||
|elevation=200–2500 m | |elevation=200–2500 m | ||
| − | |distribution=Greenland;Alta.;B.C.;Nfld.;N.S.;Ont.;Que.;Sask.;Ariz.;Calif.;Colo.;Idaho;Mich.;Mont.;N.Mex.;Nev.;Okla.;Oreg.;Tex.;Utah;Wash.;Wis.;Wyo.;Europe;Asia. | + | |distribution=Greenland;Alta.;B.C.;Nfld. and Labr. (Nfld.);N.S.;Ont.;Que.;Sask.;Ariz.;Calif.;Colo.;Idaho;Mich.;Mont.;N.Mex.;Nev.;Okla.;Oreg.;Tex.;Utah;Wash.;Wis.;Wyo.;Europe;Asia. |
| − | |discussion=<p>The taxonomy of Dryopteris filix-mas is not well understood. In North America, this fern has been considered both an auto- and an allopolyploid and may be composed of at least two closely related taxa. Plants in the northeast and northwest are tetraploid. These differ morphologically and ecologically from a taxon of unknown chromosome number in the southwestern Rocky Mountains. The Rocky Mountain taxon closely resembles the Mexican D. pseudofilix-mas (Fée) Rothmaler. Dryopteris filix-mas also occurs in Europe, and it is known to be an allopolyploid of D. caucasica (A. Braun) Fraser-Jenkins & Corley × oreades Fomin.</p> | + | |discussion=<p>The taxonomy of <i>Dryopteris filix-mas</i> is not well understood. In North America, this fern has been considered both an auto- and an allopolyploid and may be composed of at least two closely related taxa. Plants in the northeast and northwest are tetraploid. These differ morphologically and ecologically from a taxon of unknown chromosome number in the southwestern Rocky Mountains. The Rocky Mountain taxon closely resembles the Mexican D. pseudofilix-mas (Fée) Rothmaler. <i>Dryopteris filix-mas</i> also occurs in Europe, and it is known to be an allopolyploid of D. caucasica (A. Braun) Fraser-Jenkins & Corley × oreades Fomin.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Dryopteris filix-mas | name=Dryopteris filix-mas | ||
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|authority=(Linnaeus) Schott | |authority=(Linnaeus) Schott | ||
|rank=species | |rank=species | ||
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|habitat=Dense woods and talus slopes on limestone (ne North America), open woods among boulders and talus of granite or igneous rock (Rocky Mountains) | |habitat=Dense woods and talus slopes on limestone (ne North America), open woods among boulders and talus of granite or igneous rock (Rocky Mountains) | ||
|elevation=200–2500 m | |elevation=200–2500 m | ||
| − | |distribution=Greenland;Alta.;B.C.;Nfld.;N.S.;Ont.;Que.;Sask.;Ariz.;Calif.;Colo.;Idaho;Mich.;Mont.;N.Mex.;Nev.;Okla.;Oreg.;Tex.;Utah;Wash.;Wis.;Wyo.;Europe;Asia. | + | |distribution=Greenland;Alta.;B.C.;Nfld. and Labr. (Nfld.);N.S.;Ont.;Que.;Sask.;Ariz.;Calif.;Colo.;Idaho;Mich.;Mont.;N.Mex.;Nev.;Okla.;Oreg.;Tex.;Utah;Wash.;Wis.;Wyo.;Europe;Asia. |
|reference=None | |reference=None | ||
|publication title=Gen. Fil. | |publication title=Gen. Fil. | ||
|publication year=1834 | |publication year=1834 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_618.xml |
|genus=Dryopteris | |genus=Dryopteris | ||
|species=Dryopteris filix-mas | |species=Dryopteris filix-mas | ||
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-->[[Category:Treatment]][[Category:Dryopteris]] | -->[[Category:Treatment]][[Category:Dryopteris]] | ||
Latest revision as of 20:24, 5 November 2020
Leaves monomorphic, dying back in winter, 28–120 × 10–30 cm. Petiole less than 1/4 length of leaf, scaly at least at base; scales scattered, brown, of 2 distinct kinds, 1 broad, 1 hairlike (only this species has 2 distinct forms of scales without intermediates). Blade green, ovate-lanceolate, pinnate-pinnatifid to 2-pinnate at base, firm but not leathery, not glandular. Pinnae ± in plane of blade, lanceolate; basal pinnae ovate-lanceolate, much reduced, basal pinnules or segments ± same length as adjacent pinnules, basal basiscopic pinnule and basal acroscopic pinnule equal; pinnule margins serrate to lobed. Sori midway between midvein and margin of segments. Indusia lacking glands. 2n = 164.
Habitat: Dense woods and talus slopes on limestone (ne North America), open woods among boulders and talus of granite or igneous rock (Rocky Mountains)
Elevation: 200–2500 m
Distribution
Greenland, Alta., B.C., Nfld. and Labr. (Nfld.), N.S., Ont., Que., Sask., Ariz., Calif., Colo., Idaho, Mich., Mont., N.Mex., Nev., Okla., Oreg., Tex., Utah, Wash., Wis., Wyo., Europe, Asia.
Discussion
The taxonomy of Dryopteris filix-mas is not well understood. In North America, this fern has been considered both an auto- and an allopolyploid and may be composed of at least two closely related taxa. Plants in the northeast and northwest are tetraploid. These differ morphologically and ecologically from a taxon of unknown chromosome number in the southwestern Rocky Mountains. The Rocky Mountain taxon closely resembles the Mexican D. pseudofilix-mas (Fée) Rothmaler. Dryopteris filix-mas also occurs in Europe, and it is known to be an allopolyploid of D. caucasica (A. Braun) Fraser-Jenkins & Corley × oreades Fomin.
Selected References
None.
Lower Taxa
None.