Difference between revisions of "Astrolepis sinuata"
Amer. Fern J. 82: 56. 1992.
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|year=1992 | |year=1992 | ||
}} | }} | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Acrostichum sinuatum | |name=Acrostichum sinuatum | ||
|authority=Lagasca ex Swartz | |authority=Lagasca ex Swartz | ||
| + | |rank=species | ||
| + | |publication_title=Syn. Fil., | ||
| + | |publication_place=14. 1806 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Cheilanthes sinuata | |name=Cheilanthes sinuata | ||
|authority=(Lagasca ex Swartz) Domin | |authority=(Lagasca ex Swartz) Domin | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Notholaena sinuata | |name=Notholaena sinuata | ||
|authority=(Lagasca ex Swartz) Kaulfuss | |authority=(Lagasca ex Swartz) Kaulfuss | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Pteridaceae;Astrolepis;Astrolepis sinuata | |hierarchy=Pteridaceae;Astrolepis;Astrolepis sinuata | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |distribution=Ariz.;Ga.;N.Mex.;Tex.;Mexico;West Indies;Central America;South America. |
|discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | |discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | ||
--><p><i>Astrolepis sinuata</i> comprises two cytotypes that tend to occupy different ranges and are treated here as subspecies. Sexual diploid populations (<i></i>subsp.<i> mexicana</i>) are widely distributed in Mexico, but in the flora they are apparently confined to the Davis and Chisos mountains of Texas and to southeast New Mexico. The range of the apogamous triploid (<i></i>subsp.<i> sinuata</i>) extends from Argentina to the southwestern United States, with a disjunct population in Georgia. Isozyme studies suggest that <i></i>subsp.<i> sinuata</i> was derived from the diploid <i></i>subsp.<i> mexicana</i> through autopolyploidy (D. M. Benham 1989).</p> | --><p><i>Astrolepis sinuata</i> comprises two cytotypes that tend to occupy different ranges and are treated here as subspecies. Sexual diploid populations (<i></i>subsp.<i> mexicana</i>) are widely distributed in Mexico, but in the flora they are apparently confined to the Davis and Chisos mountains of Texas and to southeast New Mexico. The range of the apogamous triploid (<i></i>subsp.<i> sinuata</i>) extends from Argentina to the southwestern United States, with a disjunct population in Georgia. Isozyme studies suggest that <i></i>subsp.<i> sinuata</i> was derived from the diploid <i></i>subsp.<i> mexicana</i> through autopolyploidy (D. M. Benham 1989).</p> | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Astrolepis sinuata | name=Astrolepis sinuata | ||
| − | |||
|authority=(Lagasca ex Swartz) D. M. Benham & Windham | |authority=(Lagasca ex Swartz) D. M. Benham & Windham | ||
|rank=species | |rank=species | ||
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|basionyms=Acrostichum sinuatum | |basionyms=Acrostichum sinuatum | ||
|family=Pteridaceae | |family=Pteridaceae | ||
| − | |distribution= | + | |distribution=Ariz.;Ga.;N.Mex.;Tex.;Mexico;West Indies;Central America;South America. |
|reference=None | |reference=None | ||
|publication title=Amer. Fern J. | |publication title=Amer. Fern J. | ||
|publication year=1992 | |publication year=1992 | ||
|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_550.xml |
|genus=Astrolepis | |genus=Astrolepis | ||
|species=Astrolepis sinuata | |species=Astrolepis sinuata | ||
}}<!-- | }}<!-- | ||
| − | -->[[Category:Treatment]][[Category:Astrolepis]] | + | --> |
| + | |||
| + | [[Category:Treatment]] | ||
| + | [[Category:Astrolepis]] | ||
| + | [[Category:Revised Since Print]] | ||
Latest revision as of 16:56, 6 November 2020
Stems compact to short-creeping; stem scales uniformly chestnut brown or with lighter margin, to 6 mm, margins ciliate-dentate. Leaves 11–130 cm. Blade pinnate-pinnatifid, pinna pairs 30–60. Pinnae deltate to ovate, largest 7–35 mm, symmetrically lobed, lobes 6–14 often acute, separated by deep sinuses; abaxial scales concealing surface, lanceolate, usually 1–1.5 mm, ciliate-dentate with delicate marginal projections; adaxial scales sparse, deciduous, elongate, stellate, attached at base, body 1–2 cells wide, attached at base. Sporangia containing 32 or 64 spores.
Distribution
Ariz., Ga., N.Mex., Tex., Mexico, West Indies, Central America, South America.
Discussion
Subspecies 2 (2 in the flora).
Astrolepis sinuata comprises two cytotypes that tend to occupy different ranges and are treated here as subspecies. Sexual diploid populations (subsp. mexicana) are widely distributed in Mexico, but in the flora they are apparently confined to the Davis and Chisos mountains of Texas and to southeast New Mexico. The range of the apogamous triploid (subsp. sinuata) extends from Argentina to the southwestern United States, with a disjunct population in Georgia. Isozyme studies suggest that subsp. sinuata was derived from the diploid subsp. mexicana through autopolyploidy (D. M. Benham 1989).
Selected References
None.
Key
| 1 | Sporangia containing 32 spores; spores averaging 50– 65 µm diam.; plants widespread in sw United States and disjunct in Georgia. | Astrolepis sinuata subsp. sinuata |
| 1 | Sporangia containing 64 spores; spores averaging 37– 44 µm diam.; plants apparently restricted to w Texas and se New Mexico. | Astrolepis sinuata subsp. mexicana |