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| − | {{expand Spanish|Petrosaviaceae|date=January 2016}}
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| | {{Automatic taxobox | | {{Automatic taxobox |
| | | taxon = Petrosaviaceae | | | taxon = Petrosaviaceae |
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| − | '''Petrosaviaceae''' is a [[Family (biology)|family]] of [[flowering plants]] belonging to a [[monotypic]] order, '''Petrosaviales'''. Petrosaviales are [[monocots]], and are grouped within the [[lilioid monocots]]. Petrosaviales are a very small order (one family, two genera and four species were accepted in 2016<ref name="Christenhusz-Byng2016">{{cite journal |author1=Christenhusz, M. J. M. |author2=Byng, J. W. |lastauthoramp=yes | 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>) of rare leafless achlorophyllous, [[mycoheterotrophic]] plants found in dark [[montane]] [[rainforests]] in Japan, China, Southeast Asia and Borneo. They are characterised by having [[bract]]eate [[racemes]], [[pedicellate]] flowers, six persistent tepals, [[septal nectaries]], three almost distinct [[carpels]], simultaneous [[microsporogenesis]], [[monosulcate]] pollen, and [[follicle (fruit)|follicular]] fruit.{{sfn|ps=none|Cameron|Chase|Rudall|2003}}
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| − | == Taxonomy ==
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| − | The family has only been recognized in modern classifications, previously the plants involved were usually treated as belonging to the family [[Liliaceae]]. The [[APG II system]] recognized the family and assigned it to the clade [[monocots]], unplaced as to order. The [[APG III system]] of 2009 and the [[APG IV system]] of 2016 placed family Petrosaviaceae in order Petrosaviales.<ref name=APGIII2009/><ref name=APGIV2016>{{Cite journal|authors=Angiosperm Phylogeny Group|authorlink=Angiosperm Phylogeny Group|year=2016|title=An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV|journal=[[Botanical Journal of the Linnean Society]]|volume=181|issue=1|pages=1–20|url=http://onlinelibrary.wiley.com/doi/10.1111/boj.12385/epdf|format=PDF|issn=00244074|doi=10.1111/boj.12385}}</ref>
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| − | ===Genera===
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| − | {{As of|2016|June}}, two genera are accepted by the [[World Checklist of Selected Plant Families]]:<ref name="WCSP_Petrosaviaceae">{{cite web |title=Search for ''Petrosaviaceae''|work=[[World Checklist of Selected Plant Families]] |publisher=[[Royal Botanic Gardens, Kew]] |url=http://apps.kew.org/wcsp/qsearch.do?plantName=Petrosaviaceae |accessdate=2016-06-12 }}</ref>
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| − | * ''[[Japonolirion]]'' <small>Nakai</small>, with one species
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| − | * ''[[Petrosavia]]'' <small>Becc</small>, with three species
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| − | == Distribution and habitat ==
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| − | The plants in both genera are found in high-elevation habitats.
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| | == References == | | == References == |
| | {{reflist}} | | {{reflist}} |
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| − | == Bibliography ==
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| − | {{refbegin}}
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| − | * {{citation|last1=Cameron|first1=Kenneth M.|last2=Chase|first2=Mark W.|last3=Rudall|first3=Paula J.|authorlink2=Mark W Chase|authorlink3=Paula Rudall|title=Recircumscription of the monocotyledonous family Petrosaviaceae to include Japonolirion|journal=[[Brittonia]]|date=July 2003|volume=55|issue=3|pages=214–225|doi=10.1663/0007-196X(2003)055[0214:ROTMFP]2.0.CO;2|jstor=3218442 }}
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| − | {{refend}}
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| − | == External links ==
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| − | * [http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=124741 ''Petrosavia'' in ''Flora of China'']
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| − | * [http://www.csdl.tamu.edu/FLORA/cgi/gateway_family?fam=Petrosaviaceae links at CSDL, Texas]
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| − | * [http://www.theplantlist.org/1.1/browse/A/Petrosaviaceae/ The Plant List]
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| − | {{commons}}
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| − | {{wikispecies}}
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| − | {{monocotyledons}}
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| − | {{taxonbar}}
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| − | [[Category:Monocot families]]
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| | [[Category:Petrosaviales]] | | [[Category:Petrosaviales]] |
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