Hamamelidales: Difference between revisions
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'''Hamamelidales''' is an order of [[flowering plants]] formerly accepted in a number of [[ |
'''Hamamelidales''' is an order of [[flowering plants]] formerly accepted in a number of [[Plant taxonomy#Classification systems|systems of plant taxonomy]], including the [[Cronquist system]] published in 1968 and 1988. The order is not not currently accepted in the [[APG III system|Angiosperm Phylogeny Group III system]] of plant taxonomy, the most widely accepted system as molecular systematic studies have suggested that these families are not closely related to each other.<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><ref name=APGII2003>Angiosperm Phylogeny Group (2003). [http://onlinelibrary.wiley.com/doi/10.1046/j.1095-8339.2003.t01-1-00158.x/abstract An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II.] ''[[Botanical Journal of the Linnean Society]]'' 141(4): 399-436. [[doi: 10.1046/j.1095-8339.2003.t01-1-00158.x]]</ref> The [[APG II system]] (2003) assigns them to several different orders: Hamamelidaceae and Cercidiphyllaceae to [[Saxifragales]], Eupteleaceae to [[Ranunculales]], Platanaceae to [[Proteales]], and Myrothamnaceae to [[Gunnerales]].<ref name=APGII2003/> Additional studies of the [[chloroplast]] genome have since confirmed that the families moved into the Saxigragales are closely related.<ref name=Dong>{{cite journal|last=Dong|first=Wenpan|coauthors=Chao Xu, Tao Cheng, Kui Lin and Shiliang Zhou|title=Sequencing Angiosperm Plastid Genomes Made Easy: A Complete Set of Universal Primers and a Case Study on the Phylogeny of Saxifragales|journal=Genome Biology and Evolution|year=2013|volume=5|issue=5|pages=989–997|url=http://gbe.oxfordjournals.org/content/5/5/989.full.pdf+html|accessdate=4 October 2013}}</ref> |
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The [[Cronquist system]] (1981) included the order in subclass [[Hamamelidae]] with the [[wiktionary:circumscription|circumscription]]: |
The [[Cronquist system]] (1981) included the order in subclass [[Hamamelidae]] with the [[wiktionary:circumscription|circumscription]]: |
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*: family [[Eupteleaceae]], now order [[Ranunculales]] |
*: family [[Eupteleaceae]], now order [[Ranunculales]] |
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*: family [[Platanus|Platanaceae]], now order [[Proteales]] |
*: family [[Platanus|Platanaceae]], now order [[Proteales]] |
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*: family [[Myrothamnus|Myrothamnaceae]], now order [[Gunnerales]]<ref name=APGWeb>{{cite web|last=Stevens|first=P. F.|title=Angiosperm Phylogeny Website|url=http://www.mobot.org/MOBOT/research/APweb/top/synonymyfamilies.html|publisher=Missouri Botanical Garden|accessdate=4 October 2013|archivedate=2012}}</ref> |
*: family [[Myrothamnus|Myrothamnaceae]], now order [[Gunnerales]]<ref name=APGWeb>{{cite web|last=Stevens|first=P. F.|title=Angiosperm Phylogeny Website|url=http://www.mobot.org/MOBOT/research/APweb/top/synonymyfamilies.html|publisher=Missouri Botanical Garden|accessdate=4 October 2013|archivedate=2012}}</ref> |
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==References== |
==References== |
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Revision as of 15:09, 24 December 2013
Hamamelidales is an order of flowering plants formerly accepted in a number of systems of plant taxonomy, including the Cronquist system published in 1968 and 1988. The order is not not currently accepted in the Angiosperm Phylogeny Group III system of plant taxonomy, the most widely accepted system as molecular systematic studies have suggested that these families are not closely related to each other.[1][2] The APG II system (2003) assigns them to several different orders: Hamamelidaceae and Cercidiphyllaceae to Saxifragales, Eupteleaceae to Ranunculales, Platanaceae to Proteales, and Myrothamnaceae to Gunnerales.[2] Additional studies of the chloroplast genome have since confirmed that the families moved into the Saxigragales are closely related.[3]
The Cronquist system (1981) included the order in subclass Hamamelidae with the circumscription:
- order Hamamelidales
- family Hamamelidaceae, now order Saxifragales
- family Cercidiphyllaceae, now order Saxifragales
- family Eupteleaceae, now order Ranunculales
- family Platanaceae, now order Proteales
- family Myrothamnaceae, now order Gunnerales[4]
References
- ^ Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III" (PDF). Botanical Journal of the Linnean Society. 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x. Retrieved 2013-07-06.
- ^ a b Angiosperm Phylogeny Group (2003). An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II. Botanical Journal of the Linnean Society 141(4): 399-436. doi: 10.1046/j.1095-8339.2003.t01-1-00158.x
- ^ Dong, Wenpan (2013). "Sequencing Angiosperm Plastid Genomes Made Easy: A Complete Set of Universal Primers and a Case Study on the Phylogeny of Saxifragales". Genome Biology and Evolution. 5 (5): 989–997. Retrieved 4 October 2013.
{{cite journal}}: Unknown parameter|coauthors=ignored (|author=suggested) (help) - ^ Stevens, P. F. "Angiosperm Phylogeny Website". Missouri Botanical Garden. Retrieved 4 October 2013.
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