False orange: Difference between revisions
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{{short description| |
{{short description|Group of plants of the family Rutaceae}} |
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{{Italic title}} |
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{{taxobox |
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| regnum = [[Plant]]ae |
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| unranked_divisio = [[Angiosperms]] |
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| unranked_classis = [[Eudicots]] |
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| unranked_ordo = [[Rosids]] |
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| ordo = [[Sapindales]] |
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| familia = [[Rutaceae]] |
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| subfamilia = [[Aurantioideae]] |
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| genus = '''''Oxanthera''''' |
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| genus_authority = Montrouz. |
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}} |
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The '''false oranges''' are a group of [[flowering plant]]s in the ''[[Citrus]]'' genus, within the family, [[Rutaceae]]. They are [[endemism|endemic]] to [[New Caledonia]].<ref name=bayer>{{cite journal |last=Bayer |first=R.J. |display-authors=etal|year=2009 |title=A molecular phylogeny of the orange subfamily (Rutaceae: Aurantioideae) using nine cpDNA sequences.|journal=American Journal of Botany |volume=96 |issue=3 |pages=668–685 |doi=10.3732/ajb.0800341 |pmid=21628223}}</ref> |
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Though previously viewed as members of ''Citrus'', [[Walter Tennyson Swingle|Swingle]] moved the false oranges into their own genus, ''Oxanthera''. He placed the genus within the Triphasiinae subtribe of [[Citreae]] based on the similar size of their fruit. However, subsequent [[Phylogenetics|phylogenetic]] analysis showed them to cluster in the Citrinae subtribe within the same clade as Swingle's genus ''[[Clymenia (plant)|Clymenia]]'' and the [[Australian lime]]s, as members of an enlarged monophyletic ''Citrus'',<ref name=bayer/> with the suggested relegation of the ''Oxanthera'' taxon as a ''Citrus'' [[subgenus]]. Bayer observed the presence of prominent pulp vesicles in the false oranges, and that their flowers had three to four times as many [[stamen]]s as [[petal]]s in their flowers, are both traits similar to other ''Citrus''. The false orange lacks the thorns typical of the ''Citrus'' genus, a difference often seen on islands without indigenous herbivores.<ref name=bayer/> |
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[[Phylogenetics|Phylogenetic]] analysis has shown these species to cluster in the same clade as ''[[Clymenia (plant)|Clymenia]]'' and the [[Australian lime]]s within ''[[Citrus]]'', which would also make these species members of that genus,<ref name=bayer/> and relegate ''Oxanthera'' to a [[subgenus]]. |
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Species include:<ref name=grin>[http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?8683 GRIN Species Records of ''Oxanthera''.] Germplasm Resources Information Network (GRIN).</ref><ref name=ucr>[http://www.citrusvariety.ucr.edu/citrus/citrus.html Citrus Variety Collection.] University of California, Riverside.</ref> |
Species include:<ref name=grin>[https://archive.today/20130805190030/http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?8683 GRIN Species Records of ''Oxanthera''.] Germplasm Resources Information Network (GRIN).</ref><ref name=ucr>[http://www.citrusvariety.ucr.edu/citrus/citrus.html Citrus Variety Collection.] {{Webarchive|url=https://web.archive.org/web/20180519000707/http://www.citrusvariety.ucr.edu/citrus/citrus.html |date=2018-05-19 }} University of California, Riverside.</ref> |
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* ''[[ |
* ''[[Citrus oxanthera]]'' — orange flower oxanthera |
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* ''[[Oxanthera brevipes]]''<ref>Jaffré, T. et al. 1998. [http://www.iucnredlist.org/details/35303/0 ''Oxanthera brevipes''.] In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. Downloaded on 05 August 2013.</ref> |
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* ''[[ |
* ''[[Citrus undulata]]'' — wavy-leaf oxanthera |
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* ''[[Oxanthera brevipes]]''<ref>{{cite iucn |author=Jaffré, T. |display-authors=et al. |date=1998 |title=''Oxanthera brevipes'' |volume=1998 |page=e.T35303A9923887 |doi=10.2305/IUCN.UK.1998.RLTS.T35303A9923887.en |access-date=17 November 2021}}</ref> (status pending) |
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* ''[[Oxanthera undulata]]'' — wavy-leaf oxanthera |
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==References== |
==References== |
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{{Taxonbar|from=Q646593}} |
{{Taxonbar|from=Q646593}} |
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[[Category: |
[[Category:Aurantioideae]] |
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[[Category:Endemic flora of New Caledonia]] |
[[Category:Endemic flora of New Caledonia]] |
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[[Category:Rutaceae genera]] |
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[[Category:Taxonomy articles created by Polbot]] |
[[Category:Taxonomy articles created by Polbot]] |
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Latest revision as of 02:43, 9 January 2024
The false oranges are a group of flowering plants in the Citrus genus, within the family, Rutaceae. They are endemic to New Caledonia.[1]
Though previously viewed as members of Citrus, Swingle moved the false oranges into their own genus, Oxanthera. He placed the genus within the Triphasiinae subtribe of Citreae based on the similar size of their fruit. However, subsequent phylogenetic analysis showed them to cluster in the Citrinae subtribe within the same clade as Swingle's genus Clymenia and the Australian limes, as members of an enlarged monophyletic Citrus,[1] with the suggested relegation of the Oxanthera taxon as a Citrus subgenus. Bayer observed the presence of prominent pulp vesicles in the false oranges, and that their flowers had three to four times as many stamens as petals in their flowers, are both traits similar to other Citrus. The false orange lacks the thorns typical of the Citrus genus, a difference often seen on islands without indigenous herbivores.[1]
- Citrus oxanthera — orange flower oxanthera
- Citrus neocaledonica — large-leaf oxanthera
- Citrus undulata — wavy-leaf oxanthera
- Oxanthera brevipes[4] (status pending)
References[edit]
- ^ a b c Bayer, R.J.; et al. (2009). "A molecular phylogeny of the orange subfamily (Rutaceae: Aurantioideae) using nine cpDNA sequences". American Journal of Botany. 96 (3): 668–685. doi:10.3732/ajb.0800341. PMID 21628223.
- ^ GRIN Species Records of Oxanthera. Germplasm Resources Information Network (GRIN).
- ^ Citrus Variety Collection. Archived 2018-05-19 at the Wayback Machine University of California, Riverside.
- ^ Jaffré, T.; et al. (1998). "Oxanthera brevipes". IUCN Red List of Threatened Species. 1998: e.T35303A9923887. doi:10.2305/IUCN.UK.1998.RLTS.T35303A9923887.en. Retrieved 17 November 2021.
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