Tristagma

Tristagma is a genus of South American plants in the onion subfamily with the Amaryllis family.^[2] It includes 17 species native to Peru, Argentina, and Chile in South America.^[1]

Tristagma
Tristagama patagonicum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Amaryllidaceae
Subfamily:	Allioideae
Tribe:	Gilliesieae
Genus:	Tristagma Poepp. (1833)
Type species
Tristagma nivale Poepp.
Species[1]
17; see text
Synonyms[1]
Garaventia Looser (1941) Gardinia Bertero (1829), not validly published Steinmannia Phil. (1884), illegitimate homonym not Opiz 1852 (Polygonaceae)

Species

17 species are accepted.^[1][3]

1. Tristagma ameghinoi (Speg.) Speg. - Mendoza + Santa Cruz Provinces of Argentina
2. Tristagma anemophilum Ravenna - Neuquén Province of Argentina
3. Tristagma berteroi (Kunth) S.C.Arroyo & Sassone - Valparaíso Region of Chile
4. Tristagma bivalve (Hook. ex Lindl.) Traub - central Chile
5. Tristagma circinatum (Sandwith) Traub - Neuquén Province of Argentina
6. Tristagma gracile (Phil.) Traub - central Chile
7. Tristagma graminifolium (Phil.) Ravenna - central Chile
8. Tristagma lineatum Ravenna - Santiago Region of Chile
9. Tristagma lomarum Ravenna - Arequipa Region of Peru
10. Tristagma nivale Poepp. - central + southern Chile, southern Argentina
11. Tristagma patagonicum (Baker) Traub - southern Argentina
12. Tristagma poeppigianum (Gay) Traub - central Chile
13. Tristagma porrifolium (Poepp.) Traub - central Chile
14. Tristagma sessile (Phil.) Traub - Chaco Province of Argentina, central Chile, Uruguay
15. Tristagma staminosum Ravenna - O'Higgins Region of Chile
16. Tristagma violaceum (Kunth) Traub – central Chile
17. 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.^[3][1]

• Tristagma dimorphopetalum - Leucocoryne dimorphopetala
• Tristagma felipponei - Nothoscordum felipponei
• Tristagma hirtellum - Nothoscordum hirtellum
• Tristagma lloydiiflorum - Nothoscordum vittatum (Griseb.) Ravenna
• Tristagma lorentzii - Nothoscordum hirtellum subsp. lorentzii
• Tristagma mirabile Ravenna - Zephyranthes filifolia Herb. ex Kraenzl.
• Tristagma narcissoides - Leucocoryne coronata
• Tristagma peregrinans Ravenna - Ipheion uniflorum
• Tristagma sellowianum - Northoscordum felipponei
• Tristagma setaceum - Nothoscordum setaceum
• Tristagma subbiflorum - Nothoscordum bivalve
• Tristagma tweedieanum (Baker) Traub - Ipheion tweedieanum (Baker) Traub
• Tristagma uniflorum (Lindl.) Traub - Ipheion uniflorum
• Tristagma vittatum Griseb.) Traub - Nothoscordum vittatum