''Tristagma'' is a genus of

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

n plants in the onion subfamily with the

Amaryllis family The Amaryllidaceae are a family of herbaceous, mainly perennial and bulbous (rarely rhizomatous) flowering plants in the monocot order Asparagales. The family takes its name from the genus ''Amaryllis'' and is commonly known as the amaryllis fam ...

.Poeppig, Eduard Friedrich. Fragmentum Synopseos Plantarum Phanerogamum 8 (1833). It includes 17 species native to

Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

, and

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

Species

17 species are accepted.Kew World Checklist of Selected Plant Families, genus ''Tristagma''
/ref> # '' Tristagma ameghinoi'' (Speg.) Speg. - Mendoza + Santa Cruz Provinces of

# '' Tristagma anemophilum'' Ravenna -

Neuquén Province Neuquén () is a Provinces of Argentina, province of Argentina, located in the west of the country, at the northern end of Patagonia. It borders Mendoza Province to the north, Rio Negro Province to the southeast, and Chile to the west. It also me ...

# '' Tristagma berteroi'' (Kunth) S.C.Arroyo & Sassone -

Valparaíso Region The Valparaíso Region (, ) is one of Chile's 16 Regions of Chile, first order administrative divisions.Valparaíso Region, 2006 With the country's second-highest population of 1,790,219 , and fourth-smallest area of , the region is Chile's sec ...

of Chile # '' Tristagma bivalve'' (Hook. ex Lindl.) Traub - central

# '' Tristagma circinatum'' (Sandwith) Traub -

# '' Tristagma gracile'' (Phil.) Traub - central

# '' Tristagma graminifolium'' (Phil.) Ravenna - central

# '' Tristagma lineatum'' Ravenna - Santiago Region of

# '' Tristagma lomarum'' Ravenna -

Arequipa Region Arequipa () is a department and region in southwestern Peru. It is the sixth largest department in Peru, after Puno, Cuzco, Madre de Dios, Ucayali, and Loreto, its sixth most populous department, and its eleventh least densely populated dep ...

# '' Tristagma nivale'' Poepp. - central + southern

, southern

# '' Tristagma patagonicum'' (Baker) Traub - southern

# '' Tristagma poeppigianum'' (Gay) Traub - central

# '' Tristagma porrifolium'' (Poepp.) Traub - central

# '' Tristagma sessile'' (Phil.) Traub -

Chaco Province Chaco (; Wichi languages, Wichi: ''To-kós-wet''), officially the Province of Chaco ( ) is one of the 23 provinces of Argentina, provinces of Argentina. Its capital and largest city is Resistencia, Chaco, Resistencia. It is located in the north- ...

, central

Uruguay Uruguay, officially the Oriental Republic of Uruguay, is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast, while bordering the Río de la Plata to the south and the A ...

# '' Tristagma staminosum'' Ravenna -

O'Higgins Region The Libertador General Bernardo O'Higgins Region (, ), often shortened to O'Higgins Region (), is one of Chile's 16 first order administrative divisions. It is subdivided into three provinces. It is named in honour of Bernardo O'Higgins Riquel ...

# '' Tristagma violaceum'' – central Chile # '' Tristagma yauriense'' Ravenna - Puno Province of

Formerly included

Several names have been coined using the name ''Tristagma'' but referring to species now considered better suited other genera including '' Ipheion,

Leucocoryne ''Leucocoryne'' (glory-of-the-sun) is a genus of bulbous perennial plants in the family Amaryllidaceae. The foliage of all species is long and narrow and has an onion-like scent. The blue, white or lilac flowers are held in umbels. The entire ge ...

'', and ''

Nothoscordum ''Nothoscordum'' is a genus of New World plants in the Allioideae, onion tribe within the Amaryllidaceae, Amaryllis family. It is probably paraphyletic.Michael F. Fay, Paula J. Rudall, and Mark W. Chase. 2006. "Molecular studies of subfamily Gil ...

.''

References

Bibliography

* {{Taxonbar, from=Q3019836 Allioideae Amaryllidaceae genera Flora of Southern America Taxa described in 1833 Taxa named by Eduard Friedrich Poeppig