{{Short description|Genus of flowering plants}} {{Automatic taxobox |image = Tristagama patagonicum (8485203263).jpg |image_caption = ''Tristagama patagonicum'' |taxon = Tristagma |authority = Poepp. (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''. Retrieved 20 August 2024.</ref> |type_species = ''Tristagma nivale'' |type_species_authority = Poepp. |synonyms = *''Garaventia'' <small>Looser (1941)</small> *''Gardinia'' <small>Bertero (1829), not validly published</small> *''Steinmannia'' <small>Phil. (1884), illegitimate homonym not Opiz 1852 (Polygonaceae)</small> |synonyms_ref = <ref name=powo/>

}}

'''''Tristagma''''' is a genus of South American plants in the onion subfamily with the Amaryllis family.<ref>Poeppig, Eduard Friedrich. Fragmentum Synopseos Plantarum Phanerogamum 8 (1833).</ref> It includes 17 species native to Peru, Argentina, and Chile in 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'' <small>(Speg.) Speg.</small> - Mendoza + Santa Cruz Provinces of Argentina # ''Tristagma anemophilum'' <small>Ravenna</small> - Neuquén Province of Argentina # ''Tristagma berteroi'' <small>(Kunth) S.C.Arroyo & Sassone</small> - Valparaíso Region of Chile # ''Tristagma bivalve'' <small>(Hook. ex Lindl.) Traub</small> - central Chile # ''Tristagma circinatum'' <small>(Sandwith) Traub</small> - Neuquén Province of Argentina # ''Tristagma gracile'' <small>(Phil.) Traub -</small> central Chile # ''Tristagma graminifolium'' <small>(Phil.) Ravenna</small> - central Chile # ''Tristagma lineatum'' <small>Ravenna</small> - Santiago Region of Chile # ''Tristagma lomarum'' <small>Ravenna</small> - Arequipa Region of Peru # ''Tristagma nivale'' <small>Poepp.</small> - central + southern Chile, southern Argentina # ''Tristagma patagonicum'' <small>(Baker) Traub</small> - southern Argentina # ''Tristagma poeppigianum'' <small>(Gay) Traub -</small> central Chile # ''Tristagma porrifolium'' <small>(Poepp.) Traub</small> - central Chile # ''Tristagma sessile'' <small>(Phil.) Traub</small> - Chaco Province of Argentina, central Chile, Uruguay # ''Tristagma staminosum'' <small>Ravenna</small> - O'Higgins Region of Chile # ''Tristagma violaceum'' {{small|(Kunth) Traub}} – central Chile # ''Tristagma yauriense'' <small>Ravenna</small> - Puno Province of 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, Leucocoryne'', and ''Nothoscordum.''<ref name=r/><ref name = powo/> {{Columns-list|colwidth=30em| * ''Tristagma dimorphopetalum - Leucocoryne dimorphopetala'' * ''Tristagma felipponei - Nothoscordum felipponei'' * ''Tristagma hirtellum - Nothoscordum hirtellum'' * ''Tristagma lloydiiflorum - Nothoscordum vittatum'' {{small|(Griseb.) Ravenna}} * ''Tristagma lorentzii'' - ''Nothoscordum hirtellum'' subsp. ''lorentzii'' * ''Tristagma mirabile'' <small>Ravenna</small> - ''Zephyranthes filifolia'' {{small|Herb. ex Kraenzl.}} * ''Tristagma narcissoides - Leucocoryne coronata'' * ''Tristagma peregrinans'' <small>Ravenna</small> - ''Ipheion uniflorum'' * ''Tristagma sellowianum - Northoscordum felipponei'' * ''Tristagma setaceum - Nothoscordum setaceum'' * ''Tristagma subbiflorum - Nothoscordum bivalve'' * ''Tristagma tweedieanum'' <small>(Baker) Traub</small> - ''Ipheion tweedieanum'' {{small|(Baker) Traub}} * ''Tristagma uniflorum'' <small>(Lindl.) Traub</small> - ''Ipheion uniflorum'' * ''Tristagma vittatum'' {{small|Griseb.) Traub}} - ''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