Tristagma is a genus of South American plants in the onion subfamily with the Amaryllis family.Poeppig, Eduard Friedrich. Fragmentum Synopseos Plantarum Phanerogamum 8 (1833). It includes 17 species native to Peru, Argentina, and Chile in South America.
Species 17 species are accepted.Kew World Checklist of Selected Plant Families, genus Tristagma
Tristagma ameghinoi (Speg.) Speg. - Mendoza + Santa Cruz Provinces of Argentina Tristagma anemophilum Ravenna - Neuquén Province of Argentina Tristagma berteroi (Kunth) S.C.Arroyo & Sassone - Valparaíso Region of Chile Tristagma bivalve (Hook. ex Lindl.) Traub - central Chile Tristagma circinatum (Sandwith) Traub - Neuquén Province of Argentina Tristagma gracile (Phil.) Traub - central Chile Tristagma graminifolium (Phil.) Ravenna - central Chile Tristagma lineatum Ravenna - Santiago Region of Chile Tristagma lomarum Ravenna - Arequipa Region of Peru Tristagma nivale Poepp. - central + southern Chile, southern Argentina Tristagma patagonicum (Baker) Traub - southern Argentina Tristagma poeppigianum (Gay) Traub - central Chile Tristagma porrifolium (Poepp.) Traub - central Chile Tristagma sessile (Phil.) Traub - Chaco Province of Argentina, central Chile, Uruguay Tristagma staminosum Ravenna - O'Higgins Region of Chile Tristagma violaceum – central Chile 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 including Ipheion, Leucocoryne, and Nothoscordum.
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