Difference between revisions of "Gymnocarpium disjunctum"
Acta Phytotax. Sin. 10: 304. 1965.
Common names: Western oak fern
Basionym: Polypodium dryopteris var. disjunctum Ruprecht Distr. Crypt. Vasc. Ross., 52. 1845
Synonyms: Dryopteris disjuncta (Ruprecht) C. V. Morton Gymnocarpium dryopteris subsp. disjunctum (Ruprecht) Sarvela Gymnocarpium dryopteris var. disjunctum (Ruprecht) Ching
Treatment appears in FNA Volume 2.
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|common_names=Western oak fern | |common_names=Western oak fern | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Polypodium dryopteris var. disjunctum | |name=Polypodium dryopteris var. disjunctum | ||
|authority=Ruprecht | |authority=Ruprecht | ||
| + | |rank=variety | ||
| + | |publication_title=Distr. Crypt. Vasc. Ross., | ||
| + | |publication_place=52. 1845 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Dryopteris disjuncta | |name=Dryopteris disjuncta | ||
|authority=(Ruprecht) C. V. Morton | |authority=(Ruprecht) C. V. Morton | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Gymnocarpium dryopteris subsp. disjunctum | |name=Gymnocarpium dryopteris subsp. disjunctum | ||
|authority=(Ruprecht) Sarvela | |authority=(Ruprecht) Sarvela | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=subspecies |
| + | }} {{Treatment/ID/Synonym | ||
|name=Gymnocarpium dryopteris var. disjunctum | |name=Gymnocarpium dryopteris var. disjunctum | ||
|authority=(Ruprecht) Ching | |authority=(Ruprecht) Ching | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Dryopteridaceae;Gymnocarpium;Gymnocarpium disjunctum | |hierarchy=Dryopteridaceae;Gymnocarpium;Gymnocarpium disjunctum | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>1–3 mm diam.; scales 2–4 mm. <b>Fertile</b> leaves usually 20–68 cm. <b>Petiole</b> 12–44 cm with sparse glandular hairs distally; scales 2–6 mm. <b>Blade</b> broadly deltate, 3-pinnate-pinnatifid, 8–24 cm, lax and delicate, abaxial surface and rachis glabrous or with sparse glandular hairs, adaxial surface glabrous. <b>Pinna</b> apex acuminate. <b>Proximal</b> pinnae 5–18 cm, ± perpendicular to rachis, with basiscopic pinnules ± perpendicular to costa; basal basiscopic pinnule sessile, pinnate-pinnatifid (with basal pinnulets, and sometimes 2 adjacent pinnulets, separate), basal basiscopic pinnulet usually longer (sometimes equaling or shorter) than adjacent pinnulet; 2d basal basiscopic pinnule sessile with basal basiscopic pinnulet usually longer than or equaling adjacent pinnulet; basal acroscopic pinnule sessile, with basal basiscopic pinnulet usually longer than or equaling adjacent pinnulet. <b>Pinnae</b> of 2d pair usually sessile with basal basiscopic pinnule longer than or equaling adjacent pinnule and markedly longer than basal acroscopic pinnule; basal acroscopic pinnule distinctly shorter than adjacent pinnule or rarely absent, apex often crenulate, obtuse. <b>Pinnae</b> of 3d pair usually sessile with basal basiscopic pinnule longer than or equaling adjacent pinnule and longer than basal acroscopic pinnule; basal acroscopic pinnule shorter than adjacent pinnule. <b>Ultimate</b> segments of proximal pinnae oblong, crenate to slightly lobed, apex crenulate, acute. <b>Spores</b> 27–31 µm. <b>2n</b> = 80.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
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|elevation=0–2400 m | |elevation=0–2400 m | ||
|distribution=Alta.;B.C.;Alaska;Idaho;Mont.;Oreg.;Wash.;Wyo.;Asia in ne former Soviet republics. | |distribution=Alta.;B.C.;Alaska;Idaho;Mont.;Oreg.;Wash.;Wyo.;Asia in ne former Soviet republics. | ||
| − | |discussion=<p>In addition to the west coast of North America, Gymnocarpium disjunctum is found on Sakhalin Island in southern Kamchatka, in the former Soviet republics.</p><!-- | + | |discussion=<p>In addition to the west coast of North America, <i>Gymnocarpium disjunctum</i> is found on Sakhalin Island in southern Kamchatka, in the former Soviet republics.</p><!-- |
--><p>Of conservation concern.</p> | --><p>Of conservation concern.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Gymnocarpium disjunctum | name=Gymnocarpium disjunctum | ||
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|authority=(Ruprecht) Ching | |authority=(Ruprecht) Ching | ||
|rank=species | |rank=species | ||
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|publication year=1965 | |publication year=1965 | ||
|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_701.xml |
|genus=Gymnocarpium | |genus=Gymnocarpium | ||
|species=Gymnocarpium disjunctum | |species=Gymnocarpium disjunctum | ||
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-->[[Category:Treatment]][[Category:Gymnocarpium]] | -->[[Category:Treatment]][[Category:Gymnocarpium]] | ||
Latest revision as of 21:24, 5 November 2020
Stems 1–3 mm diam.; scales 2–4 mm. Fertile leaves usually 20–68 cm. Petiole 12–44 cm with sparse glandular hairs distally; scales 2–6 mm. Blade broadly deltate, 3-pinnate-pinnatifid, 8–24 cm, lax and delicate, abaxial surface and rachis glabrous or with sparse glandular hairs, adaxial surface glabrous. Pinna apex acuminate. Proximal pinnae 5–18 cm, ± perpendicular to rachis, with basiscopic pinnules ± perpendicular to costa; basal basiscopic pinnule sessile, pinnate-pinnatifid (with basal pinnulets, and sometimes 2 adjacent pinnulets, separate), basal basiscopic pinnulet usually longer (sometimes equaling or shorter) than adjacent pinnulet; 2d basal basiscopic pinnule sessile with basal basiscopic pinnulet usually longer than or equaling adjacent pinnulet; basal acroscopic pinnule sessile, with basal basiscopic pinnulet usually longer than or equaling adjacent pinnulet. Pinnae of 2d pair usually sessile with basal basiscopic pinnule longer than or equaling adjacent pinnule and markedly longer than basal acroscopic pinnule; basal acroscopic pinnule distinctly shorter than adjacent pinnule or rarely absent, apex often crenulate, obtuse. Pinnae of 3d pair usually sessile with basal basiscopic pinnule longer than or equaling adjacent pinnule and longer than basal acroscopic pinnule; basal acroscopic pinnule shorter than adjacent pinnule. Ultimate segments of proximal pinnae oblong, crenate to slightly lobed, apex crenulate, acute. Spores 27–31 µm. 2n = 80.
Habitat: Shaded, rocky slopes and ravines, mixed coniferous woods, moist stream and creek banks
Elevation: 0–2400 m
Distribution
Alta., B.C., Alaska, Idaho, Mont., Oreg., Wash., Wyo., Asia in ne former Soviet republics.
Discussion
In addition to the west coast of North America, Gymnocarpium disjunctum is found on Sakhalin Island in southern Kamchatka, in the former Soviet republics.
Of conservation concern.
Selected References
None.
Lower Taxa
None.