Helianthus porteri: Difference between revisions

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{{Italic title}}
{{Italic title}}
{{Speciesbox
{{taxobox
|name = Confederate daisy
|name = Confederate daisy
|image = Helianthus-porteri-1.jpg
|image = Helianthus-porteri-1.jpg
|image_caption = ''Helianthus porteri'' on [[Stone Mountain|Stone Mtn.]]
|image_caption = ''Helianthus porteri'' on [[Stone Mountain|Stone Mtn.]]
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|genus = Helianthus
|regnum = [[Plantae]]
⚫
|species = porteri
|unranked_divisio = [[Angiosperms]]
⚫
|authority = (A.Gray) Pruski 1998 not (A.Gray) Heiser 1978 (1978 name not validly published)
|unranked_classis = [[Eudicots]]
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|synonyms_ref = <ref>[http://www.theplantlist.org/tpl1.1/record/gcc-126051 The Plant List, ''Helianthus porteri'' (A.Gray) Pruski ]</ref>
|unranked_ordo = [[Asterids]]
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|synonyms =
|ordo = [[Asterales]]
|familia = [[Asteraceae]]
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|genus = ''[[Helianthus]]''
⚫
|species = '''''H. porteri'''''
|binomial = ''Helianthus porteri''
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|binomial_authority =(A.Gray) Pruski 1998 not (A.Gray) Heiser 1978 (1978 name not validly published)
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|synonyms_ref=<ref>[http://www.theplantlist.org/tpl1.1/record/gcc-126051 The Plant List, ''Helianthus porteri'' (A.Gray) Pruski ]</ref>
⚫
|synonyms=
*''Gymnolomia porteri'' <small>(A.Gray) A.Gray</small>
*''Gymnolomia porteri'' <small>(A.Gray) A.Gray</small>
*''Heliomeris porteri'' <small>(A.Gray) Cockerell</small>
*''Heliomeris porteri'' <small>(A.Gray) Cockerell</small>
*''Rudbeckia porteri'' <small>A.Gray</small>
*''Rudbeckia porteri'' <small>A.Gray</small>
*''Viguiera porteri'' <small>(A.Gray) S.F.Blake</small>
*''Viguiera porteri'' <small>(A.Gray) S.F.Blake</small>
|}}
}}


'''''Helianthus porteri''''' is a species of [[Helianthus|sunflower]] known by the common names '''Porter's sunflower''',<ref>{{PLANTS|id=HEPO3|taxon=Helianthus porteri|accessdate=6 July 2015}}</ref> '''Stone Mountain Daisy'''<ref>Scott Ranger's Nature Notes http://scottranger.com/helianthus-porteri-confederate-daisy.html</ref> and '''Confederate daisy'''. It is native to the southeastern United States, such as [[Alabama]] and [[Georgia (U.S. state)|Georgia]], but has been introduced to granite outcrop areas in [[North Carolina]] where it is aggressively weedy.<ref>[http://bonap.net/MapGallery/County/Helianthus%20porteri.png Biota of North America Program 2014 county distribution map]</ref><ref> Weakley AS. 2015. Flora of the southern and mid‐Atlantic states. University of North Carolina Herbarium, North Carolina Botanical Garden, Chapel Hill, NC, USA. [WWW document] URL http://www.herbarium.unc.edu/flora.htm </ref>
'''''Helianthus porteri''''' is a species of [[Helianthus|sunflower]] known by the common names '''Porter's sunflower''',<ref>{{PLANTS|id=HEPO3|taxon=Helianthus porteri|accessdate=6 July 2015}}</ref> '''Stone Mountain daisy'''<ref>Scott Ranger's Nature Notes http://scottranger.com/helianthus-porteri-confederate-daisy.html</ref> and '''Confederate daisy'''. It is native to the southeastern United States, such as [[Alabama]] and [[Georgia (U.S. state)|Georgia]], but has been introduced to granite outcrop areas in [[North Carolina]] where it is aggressively weedy.<ref>[http://bonap.net/MapGallery/County/Helianthus%20porteri.png Biota of North America Program 2014 county distribution map]</ref><ref> Weakley AS. 2015. Flora of the southern and mid‐Atlantic states. University of North Carolina Herbarium, North Carolina Botanical Garden, Chapel Hill, NC, USA. [WWW document] URL http://www.herbarium.unc.edu/flora.htm </ref>


''Helianthus porteri'' grows on thin soils on and around flat rock granite and gneiss outcrops.<ref>Scott Ranger's Nature Notes http://scottranger.com/helianthus-porteri-confederate-daisy.html</ref> It is an annual herb up to 100&nbsp;cm (40 inches) tall. One plant usually produces 5 or more [[Head (botany)|flower heads]], each containing 7 or 8 yellow [[ray florets]] surrounding 30 or more yellow [[disc floret]]s.<ref>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066895 Flora of North America, ''Helianthus porteri'' (A. Gray) Pruski, 1998. Confederate daisy ]</ref><ref>[https://www.biodiversitylibrary.org/item/123407#page/352/mode/1up Blake, Sydney Fay 1918. Contributions from the Gray Herbarium of Harvard University 54: 114–115], as ''Viguiera porteri''</ref>
''Helianthus porteri'' grows on thin soils on and around flat rock granite and gneiss outcrops.<ref>Scott Ranger's Nature Notes http://scottranger.com/helianthus-porteri-confederate-daisy.html</ref> It is an annual herb up to 100&nbsp;cm (40 inches) tall. One plant usually produces 5 or more [[Head (botany)|flower heads]], each containing 7 or 8 yellow [[ray florets]] surrounding 30 or more yellow [[disc floret]]s.<ref>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066895 Flora of North America, ''Helianthus porteri'' (A. Gray) Pruski, 1998. Confederate daisy ]</ref><ref>[https://www.biodiversitylibrary.org/item/123407#page/352/mode/1up Blake, Sydney Fay 1918. Contributions from the Gray Herbarium of Harvard University 54: 114–115], as ''Viguiera porteri''</ref>
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==External links==
==External links==
{{Commons category|Helianthus porteri}}
*{{Commons category-inline|Helianthus porteri}}
*[http://www.tropicos.org/ImageFullView.aspx?imageid=3693 photo of herbarium specimen at Missouri Botanical Garden, collected in Georgia in 1846, isotype of ''Rudbeckia porteri/Viguiera porteri/Helianthus porteri'']
*[http://www.tropicos.org/ImageFullView.aspx?imageid=3693 photo of herbarium specimen at Missouri Botanical Garden, collected in Georgia in 1846, isotype of ''Rudbeckia porteri/Viguiera porteri/Helianthus porteri'']
*[http://jhered.oxfordjournals.org/content/104/3/407.full.pdf Scott D. Gevaert, Jennifer R. Mandel, John M. Burke, and Lisa A. Donovan. 2013. High Genetic Diversity and Low Population Structure in Porter’s Sunflower ''(Helianthus porteri).'' Journal of Heredity 2013:104(3):407–415] doi:10.1093/jhered/est009
*[http://jhered.oxfordjournals.org/content/104/3/407.full.pdf Scott D. Gevaert, Jennifer R. Mandel, John M. Burke, and Lisa A. Donovan. 2013. High Genetic Diversity and Low Population Structure in Porter’s Sunflower ''(Helianthus porteri).'' Journal of Heredity 2013:104(3):407–415] doi:10.1093/jhered/est009

Revision as of 20:47, 16 February 2021

Confederate daisy
Helianthus porteri on Stone Mtn.
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Helianthus
Species:
H. porteri
Binomial name
Helianthus porteri
(A.Gray) Pruski 1998 not (A.Gray) Heiser 1978 (1978 name not validly published)
Synonyms[1]
  • Gymnolomia porteri (A.Gray) A.Gray
  • Heliomeris porteri (A.Gray) Cockerell
  • Rudbeckia porteri A.Gray
  • Viguiera porteri (A.Gray) S.F.Blake

Helianthus porteri is a species of sunflower known by the common names Porter's sunflower,[2] Stone Mountain daisy[3] and Confederate daisy. It is native to the southeastern United States, such as Alabama and Georgia, but has been introduced to granite outcrop areas in North Carolina where it is aggressively weedy.[4][5]

Helianthus porteri grows on thin soils on and around flat rock granite and gneiss outcrops.[6] It is an annual herb up to 100 cm (40 inches) tall. One plant usually produces 5 or more flower heads, each containing 7 or 8 yellow ray florets surrounding 30 or more yellow disc florets.[7][8]

The species is named for Thomas Conrad Porter.[9]

References

  1. ^ The Plant List, Helianthus porteri (A.Gray) Pruski
  2. ^ USDA, NRCS (n.d.). "Helianthus porteri". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 6 July 2015.
  3. ^ Scott Ranger's Nature Notes http://scottranger.com/helianthus-porteri-confederate-daisy.html
  4. ^ Biota of North America Program 2014 county distribution map
  5. ^ Weakley AS. 2015. Flora of the southern and mid‐Atlantic states. University of North Carolina Herbarium, North Carolina Botanical Garden, Chapel Hill, NC, USA. [WWW document] URL http://www.herbarium.unc.edu/flora.htm
  6. ^ Scott Ranger's Nature Notes http://scottranger.com/helianthus-porteri-confederate-daisy.html
  7. ^ Flora of North America, Helianthus porteri (A. Gray) Pruski, 1998. Confederate daisy
  8. ^ Blake, Sydney Fay 1918. Contributions from the Gray Herbarium of Harvard University 54: 114–115, as Viguiera porteri
  9. ^ Heller, A. A. (1901). "Thomas Conrad Porter". The Plant World. 4 (7): 130–131. ISSN 0096-8307. JSTOR 43475709.

External links


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