Difference between revisions of "Hexastylis virginica"
Fl. S.E. U.S., 1131. 1903.
Endemic
Basionym: Asarum virginicum Linnaeus Sp. Pl. 1: 442. 1753
Synonyms: Asarum memmingeri Ashe Hexastylis memmingeri (Ashe) Small
Treatment appears in FNA Volume 3.
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|name=Asarum virginicum | |name=Asarum virginicum | ||
|authority=Linnaeus | |authority=Linnaeus | ||
| + | |rank=species | ||
| + | |publication_title=Sp. Pl. | ||
| + | |publication_place=1: 442. 1753 | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Asarum memmingeri | |name=Asarum memmingeri | ||
|authority=Ashe | |authority=Ashe | ||
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|name=Hexastylis memmingeri | |name=Hexastylis memmingeri | ||
|authority=(Ashe) Small | |authority=(Ashe) Small | ||
| + | |rank=species | ||
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|hierarchy=Aristolochiaceae;Hexastylis;Hexastylis virginica | |hierarchy=Aristolochiaceae;Hexastylis;Hexastylis virginica | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Rhizomes:</b> internodes short, leaves crowded at rhizome apex. <b>Leaf</b> blade variegate or not, cordate, subcordate, or subreniform. <b>Flowers</b>: calyx tube cylindric to narrowly cylindric-urceolate, sometimes with prominent transverse ridge just below sinuses, 8-15 × 6-12 mm, inner surface with high reticulations, lobes erect or weakly spreading, 2-4 × 7-9 mm, adaxially puberulent; stamen connective not extending beyond pollen sacs; ovary ca. 1/3-inferior; ovules 8 per locule; styles notched at apex. <b>2n</b> = 26.</span><!-- |
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|elevation=0-700 m | |elevation=0-700 m | ||
|distribution=Ky.;Md.;N.C.;Tenn.;Va.;W.Va. | |distribution=Ky.;Md.;N.C.;Tenn.;Va.;W.Va. | ||
| − | |discussion=<p>Plants of Hexastylis virginica with small, cylindric-urceolate calices have been treated as a distinct species, H. memmingeri. The two calyx types are often found in the same population, however, so H. memmingeri seems unworthy of taxonomic recognition at any rank.</p><!-- | + | |discussion=<p>Plants of <i>Hexastylis virginica</i> with small, cylindric-urceolate calices have been treated as a distinct species, H. memmingeri. The two calyx types are often found in the same population, however, so H. memmingeri seems unworthy of taxonomic recognition at any rank.</p><!-- |
| − | --><p>Prior to the study by H. L. Blomquist (1957), many botanists interpreted Hexastylis virginica in a very broad sense, so old herbarium specimens of many other species of Hexastylis are often annotated as H. virginica.</p><!-- | + | --><p>Prior to the study by H. L. Blomquist (1957), many botanists interpreted <i>Hexastylis virginica</i> in a very broad sense, so old herbarium specimens of many other species of <i>Hexastylis</i> are often annotated as <i>H. virginica</i>.</p><!-- |
| − | --><p>The Cherokee used Hexastylis virginica medicinally to stop blood from passing (D. E. Moerman 1986, as Asarum virginicum).</p> | + | --><p>The Cherokee used <i>Hexastylis virginica</i> medicinally to stop blood from passing (D. E. Moerman 1986, as <i>Asarum</i> virginicum).</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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name=Hexastylis virginica | name=Hexastylis virginica | ||
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|authority=(Linnaeus) Small | |authority=(Linnaeus) Small | ||
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|publication year=1903 | |publication year=1903 | ||
|special status=Endemic | |special status=Endemic | ||
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|genus=Hexastylis | |genus=Hexastylis | ||
|species=Hexastylis virginica | |species=Hexastylis virginica | ||
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-->[[Category:Treatment]][[Category:Hexastylis]] | -->[[Category:Treatment]][[Category:Hexastylis]] | ||
Latest revision as of 22:50, 5 November 2020
Rhizomes: internodes short, leaves crowded at rhizome apex. Leaf blade variegate or not, cordate, subcordate, or subreniform. Flowers: calyx tube cylindric to narrowly cylindric-urceolate, sometimes with prominent transverse ridge just below sinuses, 8-15 × 6-12 mm, inner surface with high reticulations, lobes erect or weakly spreading, 2-4 × 7-9 mm, adaxially puberulent; stamen connective not extending beyond pollen sacs; ovary ca. 1/3-inferior; ovules 8 per locule; styles notched at apex. 2n = 26.
Phenology: Flowering spring (Apr–Jun).
Habitat: Deciduous and mixed deciduous-conifer forests
Elevation: 0-700 m
Distribution
Ky., Md., N.C., Tenn., Va., W.Va.
Discussion
Plants of Hexastylis virginica with small, cylindric-urceolate calices have been treated as a distinct species, H. memmingeri. The two calyx types are often found in the same population, however, so H. memmingeri seems unworthy of taxonomic recognition at any rank.
Prior to the study by H. L. Blomquist (1957), many botanists interpreted Hexastylis virginica in a very broad sense, so old herbarium specimens of many other species of Hexastylis are often annotated as H. virginica.
The Cherokee used Hexastylis virginica medicinally to stop blood from passing (D. E. Moerman 1986, as Asarum virginicum).
Selected References
None.
Lower Taxa
None.