Tristagma
Tristagma is a genus of South American plants in the onion subfamily with the Amaryllis family. It is native to South America but one of the species has become naturalized in various other places.
;Species
- Tristagma ameghinoi Speg. - Mendoza + Santa Cruz Provinces of Argentina
- Tristagma anemophilum Ravenna - Neuquén Province of Argentina
- Tristagma atreucoense Ravenna - Neuquén Province of Argentina
- Tristagma bivalve Traub - central Chile
- Tristagma brevipes Traub - central Chile
- Tristagma circinatum Traub - Neuquén Province of Argentina
- Tristagma fragrans Ravenna - central Chile
- Tristagma gracile Traub - central Chile
- Tristagma graminifolium Ravenna - central Chile
- Tristagma leichtlinii Traub - central Chile
- Tristagma lineatum Ravenna - Santiago Region of Chile
- Tristagma lomarum Ravenna - Arequipa Region of Peru
- Tristagma malalhuense Ravenna - Mendoza Province of Argentina
- Tristagma mirabile Ravenna - Neuquén Province of Argentina
- Tristagma nahuelhuapinum Ravenna - Rio Negro Province of Argentina
- Tristagma nivale Poepp. - central + southern Chile, southern Argentina
- Tristagma patagonicum Traub - southern Argentina
- Tristagma peregrinans Ravenna - Uruguay
- Tristagma philippii Gand. - central Chile
- Tristagma poeppigianum Traub - central Chile
- Tristagma porrifolium Traub - central Chile
- Tristagma sessile Traub - Chaco Province of Argentina, central Chile, Uruguay
- Tristagma sociale Ravenna - Mendoza Province of Argentina
- Tristagma staminosum Ravenna - O'Higgins Region of Chile
- Tristagma tweedieanum Traub - Uruguay, northeastern Argentina
- Tristagma uniflorum Traub - Uruguay, eastern Argentina; naturalized in Great Britain, France, Australia, New Zealand, Oregon, California, southeastern United States
- Tristagma yauriense Ravenna - Puno Province of Peru
;formerly included
Several names have been coined using the name Tristagma but referring to species now considered better suited other genera .
