''Pterocactus valentini'' is a species of flowering plant in the family

Cactaceae A cactus (: cacti, cactuses, or less commonly, cactus) is a member of the plant family Cactaceae (), a family of the order Caryophyllales comprising about 127 genera with some 1,750 known species. The word ''cactus'' derives, through Latin, ...

, native to southern Argentina. Their fruit are

samaras Samaras (; feminine: Samara) is a Greek surname meaning 'saddler'. Notable people with the surname include: * Antonis Samaras (born 1951), Greek politician; Prime Minister of Greece, 2012–15 * Georgios Samaras (born 1985), Greek footballer * I ...

References

Opuntioideae Cacti of South America Endemic flora of Argentina Flora of South Argentina Plants described in 1899 {{cactus-stub