Tristagma

Tristagma
Tristagama patagonicum
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
Order:	Asparagales
Family:	Amaryllidaceae
Subfamily:	Allioideae
Tribe:	Leucocoryneae
Genus:	Tristagma
Type species
Tristagma nivale Poepp.
Synonyms[1]
Gardinia Bertero, not validly published Ipheion Raf. Steinmannia Phil. 1884, illegitimate homonym not Opiz 1852 (Polygonaceae)[2] Garaventia Looser

Tristagma is a genus of South American plants in the onion subfamily with the Amaryllis family.^[3] It is native to South America (Peru, Argentina, Chile and Uruguay) but one of the species (T. uniflorum) has become naturalized in various other places.^[1][4]

Species^[1]

1. Tristagma ameghinoi (Speg.) Speg. - Mendoza + Santa Cruz Provinces of Argentina
2. Tristagma anemophilum Ravenna - Neuquén Province of Argentina
3. Tristagma atreucoense Ravenna - Neuquén Province of Argentina
4. Tristagma bivalve (Hook. ex Lindl.) Traub - central Chile
5. Tristagma brevipes (Kuntze) Traub - central Chile
6. Tristagma circinatum (Sandwith) Traub - Neuquén Province of Argentina
7. Tristagma fragrans Ravenna - central Chile
8. Tristagma gracile (Phil.) Traub - central Chile
9. Tristagma graminifolium (Phil.) Ravenna - central Chile
10. Tristagma leichtlinii (Baker) Traub - central Chile
11. Tristagma lineatum Ravenna - Santiago Region of Chile
12. Tristagma lomarum Ravenna - Arequipa Region of Peru
13. Tristagma malalhuense Ravenna - Mendoza Province of Argentina
14. Tristagma mirabile Ravenna - Neuquén Province of Argentina
15. Tristagma nahuelhuapinum Ravenna - Rio Negro Province of Argentina
16. Tristagma nivale Poepp. - central + southern Chile, southern Argentina
17. Tristagma patagonicum (Baker) Traub - southern Argentina
18. Tristagma peregrinans Ravenna - Uruguay
19. Tristagma philippii Gand. - central Chile
20. Tristagma poeppigianum (Gay) Traub - central Chile
21. Tristagma porrifolium (Poepp.) Traub - central Chile
22. Tristagma sessile (Phil.) Traub - Chaco Province of Argentina, central Chile, Uruguay
23. Tristagma sociale Ravenna - Mendoza Province of Argentina
24. Tristagma staminosum Ravenna - O'Higgins Region of Chile
25. Tristagma tweedieanum (Baker) Traub - Uruguay, northeastern Argentina
26. Tristagma uniflorum (Lindl.) Traub - Uruguay, eastern Argentina; naturalized in Great Britain, France, Australia, New Zealand, Oregon, California, southeastern United States (from Texas to Maryland)
27. Tristagma yauriense Ravenna - Puno Province of Peru

formerly included^[1]

Several names have been coined using the name Tristagma but referring to species now considered better suited other genera (Beauverdia, Leucocoryne, and Nothoscordum). We provide links to help you find appropriate information.

• Tristagma dimorphopetalum - Leucocoryne dimorphopetala
• Tristagma felipponei - Beauverdia sellowiana
• Tristagma hirtellum - Beauverdia hirtella
• Tristagma lloydiiflorum - Beauverdia vittata
• Tristagma lorentzii - Beauverdia lorentzii
• Tristagma narcissoides - Leucocoryne coronata
• Tristagma sellowianum - Beauverdia sellowiana
• Tristagma setaceum - Nothoscordum setaceum
• Tristagma subbiflorum - Nothoscordum bivalve
• Tristagma vittatum - Beauverdia vittata

References

1. Kew World Checklist of Selected Plant Families, genus Tristagma
2. The International Plant Names Index, search for Steinmannia
3. Poeppig, Eduard Friedrich. Fragmentum Synopseos Plantarum Phanerogamum 8 (1833).
4. Biota of North America Program 2013 county distribution map

Bibliography

• Sassone, Agostina B.; Giussani, Liliana M.; Guaglianone, Encarnación Rosa (30 April 2013). "Multivariate studies of Ipheion (Amaryllidaceae, Allioideae) and related genera". Plant Systematics and Evolution 299 (8): 1561–1575. doi:10.1007/s00606-013-0819-5.