Difference between revisions of "Argyrochosma dealbata"
Amer. Fern J. 77: 40. 1987.
Endemic
Basionym: Cheilanthes dealbata Pursh Fl. Amer. Sept. 2: 671. 1814
Synonyms: Notholaena dealbata (Pursh) Kunze Pellaea dealbata (Pursh) Prantl
Treatment appears in FNA Volume 2.
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|year=1987 | |year=1987 | ||
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| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Cheilanthes dealbata | |name=Cheilanthes dealbata | ||
|authority=Pursh | |authority=Pursh | ||
| + | |rank=species | ||
| + | |publication_title=Fl. Amer. Sept. | ||
| + | |publication_place=2: 671. 1814 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Notholaena dealbata | |name=Notholaena dealbata | ||
|authority=(Pursh) Kunze | |authority=(Pursh) Kunze | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Pellaea dealbata | |name=Pellaea dealbata | ||
|authority=(Pursh) Prantl | |authority=(Pursh) Prantl | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Pteridaceae;Argyrochosma;Argyrochosma dealbata | |hierarchy=Pteridaceae;Argyrochosma;Argyrochosma dealbata | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stem </b>scales brown. <b>Leaves</b> 3–15 cm. <b>Petiole</b> chestnut brown, 0.50–0.75 mm diam. <b>Blade</b> deltate, 3–5-pinnate proximally, somewhat herbaceous, abaxially covered by whitish farina, adaxially glabrous or sparsely glandular; rachis rounded to slightly flattened adaxially. <b>Pinna</b> costae straight or nearly so, branches not arising from prominent angles. <b>Ultimate</b> segments not articulate, dark color of stalks continuing into segment bases abaxially; segment margins recurved, often partially concealing sporangia; veins often visible adaxially. <b>Sporangia</b> submarginal, borne on distal 1/3 of secondary veins, containing 64 spores. <b>2n</b> = 54.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Sporulating summer–fall. | ||
|habitat=Calcareous cliffs and ledges | |habitat=Calcareous cliffs and ledges | ||
|elevation=100–600 m | |elevation=100–600 m | ||
|distribution=Ark.;Ill.;Kans.;Ky.;Mo.;Nebr.;Okla.;Tex. | |distribution=Ark.;Ill.;Kans.;Ky.;Mo.;Nebr.;Okla.;Tex. | ||
| − | |discussion=<p>The distinctions between Argyrochosma dealbata and A. limitanea are subtle but apparently absolute. Although both occur in Texas, their ranges do not overlap. Despite the morphologic similarities, isozyme analyses indicate that A. dealbata, a diploid species, was not involved in the origin of polyploid A. limitanea.</p> | + | |discussion=<p>The distinctions between <i>Argyrochosma dealbata</i> and <i>A. limitanea</i> are subtle but apparently absolute. Although both occur in Texas, their ranges do not overlap. Despite the morphologic similarities, isozyme analyses indicate that <i>A. dealbata</i>, a diploid species, was not involved in the origin of polyploid <i>A. limitanea</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Argyrochosma dealbata | name=Argyrochosma dealbata | ||
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|authority=(Pursh) Windham | |authority=(Pursh) Windham | ||
|rank=species | |rank=species | ||
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|basionyms=Cheilanthes dealbata | |basionyms=Cheilanthes dealbata | ||
|family=Pteridaceae | |family=Pteridaceae | ||
| + | |phenology=Sporulating summer–fall. | ||
|habitat=Calcareous cliffs and ledges | |habitat=Calcareous cliffs and ledges | ||
|elevation=100–600 m | |elevation=100–600 m | ||
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|publication title=Amer. Fern J. | |publication title=Amer. Fern J. | ||
|publication year=1987 | |publication year=1987 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_32.xml |
|genus=Argyrochosma | |genus=Argyrochosma | ||
|species=Argyrochosma dealbata | |species=Argyrochosma dealbata | ||
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-->[[Category:Treatment]][[Category:Argyrochosma]] | -->[[Category:Treatment]][[Category:Argyrochosma]] | ||
Latest revision as of 20:22, 5 November 2020
Stem scales brown. Leaves 3–15 cm. Petiole chestnut brown, 0.50–0.75 mm diam. Blade deltate, 3–5-pinnate proximally, somewhat herbaceous, abaxially covered by whitish farina, adaxially glabrous or sparsely glandular; rachis rounded to slightly flattened adaxially. Pinna costae straight or nearly so, branches not arising from prominent angles. Ultimate segments not articulate, dark color of stalks continuing into segment bases abaxially; segment margins recurved, often partially concealing sporangia; veins often visible adaxially. Sporangia submarginal, borne on distal 1/3 of secondary veins, containing 64 spores. 2n = 54.
Phenology: Sporulating summer–fall.
Habitat: Calcareous cliffs and ledges
Elevation: 100–600 m
Distribution
Ark., Ill., Kans., Ky., Mo., Nebr., Okla., Tex.
Discussion
The distinctions between Argyrochosma dealbata and A. limitanea are subtle but apparently absolute. Although both occur in Texas, their ranges do not overlap. Despite the morphologic similarities, isozyme analyses indicate that A. dealbata, a diploid species, was not involved in the origin of polyploid A. limitanea.
Selected References
None.
Lower Taxa
None.