Difference between revisions of "Dryopteris intermedia"
Manual 630. 1848.
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|common_names=Evergreen wood fern;fancy fern;dryoptère spinuleuse | |common_names=Evergreen wood fern;fancy fern;dryoptère spinuleuse | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Aspidium intermedium | |name=Aspidium intermedium | ||
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|habitat=Moist rocky woods, especially hemlock hardwoods, ravines, and edges of swamps | |habitat=Moist rocky woods, especially hemlock hardwoods, ravines, and edges of swamps | ||
|elevation=0–2000 m | |elevation=0–2000 m | ||
| − | |distribution=N.B.;Nfld.;N.S.;Ont.;P.E.I.;Que.;Ala.;Conn.;Del.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;Tenn.;Vt.;Va.;W.Va.;Wis. | + | |distribution=N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Ala.;Conn.;Del.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;Tenn.;Vt.;Va.;W.Va.;Wis. |
|discussion=<p>A related taxon, <i>Dryopteris intermedia</i> subsp. maderensis (J. Milde ex Alston) Fraser-Jenkins, occurs on eastern Atlantic islands.</p><!-- | |discussion=<p>A related taxon, <i>Dryopteris intermedia</i> subsp. maderensis (J. Milde ex Alston) Fraser-Jenkins, occurs on eastern Atlantic islands.</p><!-- | ||
--><p><i>Dryopteris intermedia</i> and the other taxa in the " D. spinulosa complex" have long confounded taxonomists. <i>Dryopteris intermedia</i> is diploid and is one of the parents of the allotetraploids <i>D. carthusiana</i> and <i>D. campyloptera</i>. <i>Dryopteris intermedia</i> hybridizes with eight species. All hybrids are easily detected by the distinctive glandular hairs on the indusia and, usually, on the costae and costules.</p> | --><p><i>Dryopteris intermedia</i> and the other taxa in the " D. spinulosa complex" have long confounded taxonomists. <i>Dryopteris intermedia</i> is diploid and is one of the parents of the allotetraploids <i>D. carthusiana</i> and <i>D. campyloptera</i>. <i>Dryopteris intermedia</i> hybridizes with eight species. All hybrids are easily detected by the distinctive glandular hairs on the indusia and, usually, on the costae and costules.</p> | ||
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|habitat=Moist rocky woods, especially hemlock hardwoods, ravines, and edges of swamps | |habitat=Moist rocky woods, especially hemlock hardwoods, ravines, and edges of swamps | ||
|elevation=0–2000 m | |elevation=0–2000 m | ||
| − | |distribution=N.B.;Nfld.;N.S.;Ont.;P.E.I.;Que.;Ala.;Conn.;Del.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;Tenn.;Vt.;Va.;W.Va.;Wis. | + | |distribution=N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Ala.;Conn.;Del.;Ga.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;Tenn.;Vt.;Va.;W.Va.;Wis. |
|reference=None | |reference=None | ||
|publication title=Manual | |publication title=Manual | ||
|publication year=1848 | |publication year=1848 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_508.xml |
|genus=Dryopteris | |genus=Dryopteris | ||
|species=Dryopteris intermedia | |species=Dryopteris intermedia | ||
Latest revision as of 20:23, 5 November 2020
Leaves monomorphic, green through winter, 32–90 × 10–20 cm. Petiole 1/3 length of leaf, scaly at least at base; scales scattered, tan. Blade green, ovate, 3-pinnate-pinnatifid, herbaceous, glandular. Pinnae ± in plane of blade, lanceolate-oblong; basal pinnae lanceolate, not reduced, basal pinnules longer than adjacent pinnules, basal basiscopic pinnule longer than basal acroscopic pinnule; pinnule margins serrate, teeth spiny. Sori midway between midvein and margin of segments. Indusia with minute glandular hairs. 2n = 82.
Habitat: Moist rocky woods, especially hemlock hardwoods, ravines, and edges of swamps
Elevation: 0–2000 m
Distribution
N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Ala., Conn., Del., Ga., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Tenn., Vt., Va., W.Va., Wis.
Discussion
A related taxon, Dryopteris intermedia subsp. maderensis (J. Milde ex Alston) Fraser-Jenkins, occurs on eastern Atlantic islands.
Dryopteris intermedia and the other taxa in the " D. spinulosa complex" have long confounded taxonomists. Dryopteris intermedia is diploid and is one of the parents of the allotetraploids D. carthusiana and D. campyloptera. Dryopteris intermedia hybridizes with eight species. All hybrids are easily detected by the distinctive glandular hairs on the indusia and, usually, on the costae and costules.
Selected References
None.