Difference between revisions of "Portulacaceae"

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#redirect [[:Category:Portulacaceae]]
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|image = Portulaca_amilis.jpg
 
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|image_caption = ''[[Portulaca amilis]]''
 
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|taxon = Portulacaceae
 
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|authority = [[Antoine Laurent de Jussieu|Juss.]]<ref name=APGIII2009>{{Cite journal |last=Angiosperm Phylogeny Group |year=2009 |title=An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III |journal=Botanical Journal of the Linnean Society |volume=161 |issue=2 |pages=105–121 |url=http://onlinelibrary.wiley.com/doi/10.1046/j.1095-8339.2003.t01-1-00158.x/pdf | format= PDF |accessdate=2013-07-06 |doi=10.1111/j.1095-8339.2009.00996.x }}</ref>
 
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|subdivision_ranks = Genera
 
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|subdivision =
 
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*''[[Portulaca]]''
 
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The '''Portulacaceae''' are a [[family (biology)|family]] of [[flowering plants]], comprising 115 species in a single genus ''[[Portulaca]]''.<ref name="Christenhusz-Byng2016">{{cite journal |author1=Christenhusz, M. J. M. |author2=Byng, J. W. | year = 2016 | title = The number of known plants species in the world and its annual increase | journal = Phytotaxa | volume = 261 | pages = 201–217 | url = http://biotaxa.org/Phytotaxa/article/download/phytotaxa.261.3.1/20598 | doi = 10.11646/phytotaxa.261.3.1 | issue = 3 | publisher = Magnolia Press }}</ref> Formerly some 20 genera with about 500 species, were placed there, but it is now restricted to encompass only one genus, the other genera being placed elsewhere. The family has been recognised by most taxonomists, and is also known as the '''purslane family'''; it has a [[cosmopolitan distribution]], with the highest diversity in semiarid regions of the [[Southern Hemisphere]] in [[Africa]], [[Australia]], and [[South America]], but with a few species also extending north into [[Arctic]] regions. The family is very similar to the [[Caryophyllaceae]], differing in the [[Calyx (botany)|calyx]], which has only two sepals.
 
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The [[APG II system]] (2003; unchanged from the [[APG system]] of 1998) assigns it to the order [[Caryophyllales]] in the clade [[core eudicots]]. In the [[APG III system]], several genera were moved to the [[Montiaceae]], [[Didiereaceae]], [[Anacampserotaceae]] and [[Talinaceae]], thus making the family monotypic and only containing the genus ''[[Portulaca]]''.<ref name=APGIII2009/>
 
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==References==
 
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{{reflist}}
 
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* [http://delta-intkey.com/angio/www/portulac.htm Portulacaceae] in L. Watson and M.J. Dallwitz (1992 onwards). [http://delta-intkey.com/angio/ ''The families of flowering plants'']
 
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* [http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=10724 ''Flora of North America'': Portulacaceae]
 
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* [http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=10724 ''Flora of China'': Portulacaceae]
 
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* [http://www.csdl.tamu.edu/FLORA/cgi/gateway_family?fam=Portulacaceae links at CSDL]
 
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* [http://www.chileflora.com/Florachilena/FloraEnglish/PIC_FAMILIES_SIMPLE_121.php Portulacaceae of Chile, by Chileflora]
 
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[[Category:Portulacaceae| ]]
 
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[[Category:Monogeneric plant families]]
 
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[[Category:Caryophyllales families]]
 
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{{Caryophyllales-stub}}
 

Latest revision as of 10:28, 28 October 2017

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