# Tristagma

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{{Short description|Genus of flowering plants}}
{{Automatic taxobox
|image = Tristagama patagonicum (8485203263).jpg
|image_caption = ''[Tristagama patagonicum](/source/Tristagama_patagonicum)''
|taxon = Tristagma
|authority = [Poepp.](/source/Eduard_Friedrich_Poeppig) (1833)
|subdivision_ranks = Species
|subdivision = 17; see text
|subdivision_ref = <ref name = powo>[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:330276-2 ''Tristagma'' Poepp.] ''[Plants of the World Online](/source/Plants_of_the_World_Online)''. Retrieved 20 August 2024.</ref>
|type_species =   ''Tristagma nivale''
|type_species_authority = [Poepp.](/source/Eduard_Friedrich_Poeppig)
|synonyms =
*''Garaventia'' <small>Looser (1941)</small>
*''Gardinia'' <small>Bertero (1829), not validly published</small>
*''Steinmannia'' <small>[Phil.](/source/Phil.) (1884), illegitimate homonym not Opiz 1852 ([Polygonaceae](/source/Polygonaceae))</small>
|synonyms_ref = <ref name=powo/>

}}

'''''Tristagma''''' is a genus of [South America](/source/South_America)n plants in the [onion subfamily](/source/Allioideae) with the [Amaryllis family](/source/Amaryllidaceae).<ref>Poeppig, Eduard Friedrich.  Fragmentum Synopseos Plantarum Phanerogamum 8 (1833).</ref> It includes 17 species native to [Peru](/source/Peru), [Argentina](/source/Argentina), and [Chile](/source/Chile) in [South America](/source/South_America).<ref name = powo/>

==Species==
17 species are accepted.<ref name = powo/><ref name=r>[http://apps.kew.org/wcsp/namedetail.do?name_id=289381 Kew World Checklist of Selected Plant Families, genus ''Tristagma'']</ref>
{{div col|colwidth=30em}}
# ''[Tristagma ameghinoi](/source/Tristagma_ameghinoi)'' <small>(Speg.) Speg.</small> - [Mendoza](/source/Mendoza_Province) + [Santa Cruz Provinces](/source/Santa_Cruz_Province%2C_Argentina) of [Argentina](/source/Argentina)
# ''[Tristagma anemophilum](/source/Tristagma_anemophilum)'' <small>Ravenna</small> - [Neuquén Province](/source/Neuqu%C3%A9n_Province) of [Argentina](/source/Argentina)
# ''[Tristagma berteroi](/source/Tristagma_berteroi)'' <small>(Kunth) S.C.Arroyo & Sassone</small> - [Valparaíso Region](/source/Valpara%C3%ADso_Region) of Chile
# ''[Tristagma bivalve](/source/Tristagma_bivalve)'' <small>(Hook. ex Lindl.) Traub</small> - central [Chile](/source/Chile)
# ''[Tristagma circinatum](/source/Tristagma_circinatum)'' <small>(Sandwith) Traub</small> - [Neuquén Province](/source/Neuqu%C3%A9n_Province) of [Argentina](/source/Argentina)
# ''[Tristagma gracile](/source/Tristagma_gracile)'' <small>(Phil.) Traub -</small> central [Chile](/source/Chile)
# ''[Tristagma graminifolium](/source/Tristagma_graminifolium)'' <small>(Phil.) Ravenna</small> - central [Chile](/source/Chile)
# ''[Tristagma lineatum](/source/Tristagma_lineatum)'' <small>Ravenna</small> - [Santiago Region](/source/Santiago_Region) of [Chile](/source/Chile)
# ''[Tristagma lomarum](/source/Tristagma_lomarum)'' <small>Ravenna</small> - [Arequipa Region](/source/Arequipa_Region) of [Peru](/source/Peru)
# ''[Tristagma nivale](/source/Tristagma_nivale)'' <small>Poepp.</small> - central + southern [Chile](/source/Chile), southern [Argentina](/source/Argentina)
# ''[Tristagma patagonicum](/source/Tristagma_patagonicum)'' <small>(Baker) Traub</small> - southern [Argentina](/source/Argentina)
# ''[Tristagma poeppigianum](/source/Tristagma_poeppigianum)'' <small>(Gay) Traub -</small> central [Chile](/source/Chile)
# ''[Tristagma porrifolium](/source/Tristagma_porrifolium)'' <small>(Poepp.) Traub</small> - central [Chile](/source/Chile)
# ''[Tristagma sessile](/source/Tristagma_sessile)'' <small>(Phil.) Traub</small> - [Chaco Province](/source/Chaco_Province) of [Argentina](/source/Argentina), central [Chile](/source/Chile), [Uruguay](/source/Uruguay)
# ''[Tristagma staminosum](/source/Tristagma_staminosum)'' <small>Ravenna</small>  - [O'Higgins Region](/source/O'Higgins_Region) of [Chile](/source/Chile)
# ''[Tristagma violaceum](/source/Tristagma_violaceum)'' {{small|(Kunth) Traub}} – central Chile
# ''[Tristagma yauriense](/source/Tristagma_yauriense)'' <small>Ravenna</small> - [Puno Province](/source/Puno_Province) of [Peru](/source/Peru)
{{div col end}}

===Formerly included===
Several names have been coined using the name ''Tristagma''  but referring to species now considered better suited other genera including ''[Ipheion](/source/Ipheion), [Leucocoryne](/source/Leucocoryne)'', and ''[Nothoscordum](/source/Nothoscordum).''<ref name=r/><ref name = powo/>
{{Columns-list|colwidth=30em|
* ''Tristagma dimorphopetalum - [Leucocoryne dimorphopetala](/source/Leucocoryne_dimorphopetala)'' 
* ''Tristagma felipponei - [Nothoscordum felipponei](/source/Nothoscordum_felipponei)''  
* ''Tristagma hirtellum - [Nothoscordum hirtellum](/source/Nothoscordum_hirtellum)'' 
* ''Tristagma lloydiiflorum - [Nothoscordum vittatum](/source/Nothoscordum_vittatum)'' {{small|(Griseb.) Ravenna}}
* ''Tristagma lorentzii'' - [''Nothoscordum hirtellum'' subsp. ''lorentzii''](/source/Nothoscordum_hirtellum) 
* ''Tristagma mirabile'' <small>Ravenna</small> - ''[Zephyranthes filifolia](/source/Zephyranthes_filifolia)'' {{small|Herb. ex Kraenzl.}}
* ''Tristagma narcissoides - [Leucocoryne coronata](/source/Leucocoryne_coronata)''
* ''Tristagma peregrinans'' <small>Ravenna</small> - ''[Ipheion uniflorum](/source/Ipheion_uniflorum)''
* ''Tristagma sellowianum - [Northoscordum felipponei](/source/Northoscordum_felipponei)''
* ''Tristagma setaceum - [Nothoscordum setaceum](/source/Nothoscordum_setaceum)'' 
* ''Tristagma subbiflorum - [Nothoscordum bivalve](/source/Nothoscordum_bivalve)'' 
* ''Tristagma tweedieanum'' <small>(Baker) Traub</small> - ''[Ipheion tweedieanum](/source/Ipheion_tweedieanum)'' {{small|(Baker) Traub}}
* ''Tristagma uniflorum'' <small>(Lindl.) Traub</small> - ''[Ipheion uniflorum](/source/Ipheion_uniflorum)''
* ''Tristagma vittatum'' {{small|Griseb.) Traub}} - ''[Nothoscordum vittatum](/source/Nothoscordum_vittatum)'' 
}}

==References==
{{Reflist}}

== Bibliography ==
{{Commons}}
{{Wikispecies}}
{{refbegin}}
* {{cite journal|last1=Sassone|first1=Agostina B.|last2=Giussani|first2=Liliana M.|last3=Guaglianone|first3=Encarnación Rosa|title=Multivariate studies of Ipheion (Amaryllidaceae, Allioideae) and related genera|journal=Plant Systematics and Evolution|date=30 April 2013|volume=299|issue=8|pages=1561–1575|doi=10.1007/s00606-013-0819-5|bibcode=2013PSyEv.299.1561S |ref={{harvid|Sassone|2014}}|hdl=11336/18970|hdl-access=free}}
{{refend}}

{{Taxonbar|from=Q3019836}}

Category:Allioideae
Category:Amaryllidaceae genera
Category:Flora of Southern America
Category:Taxa described in 1833
Category:Taxa named by Eduard Friedrich Poeppig

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Adapted from the Wikipedia article [Tristagma](https://en.wikipedia.org/wiki/Tristagma) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Tristagma?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
