Pterocactus

Pterocactus
File:Pterocactus kuntzei.jpg
Pterocactus tuberosus
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Core eudicots
Order:	Caryophyllales
Family:	Cactaceae
Subfamily:	Opuntioideae
Tribe:	Pterocacteae
Genus:	Pterocactus K.Schum.
Species
Pterocactus araucanus Pterocactus australis Pterocactus fischeri Pterocactus gonjianii Pterocactus hickenii Pterocactus megliolii Pterocactus reticulatus Pterocactus tuberosus Pterocactus valentinii

Pterocactus (from Greek pteron, "wing", referring to the saucer-shaped seed of these plants) is a genus of the cactus family (Cactaceae), comprising 9 species. All Pterocactus have tuberous roots and are endemic to South and Western Argentina. The genus has been given its own tribe, the Pterocacteae.

References

• Edward F. Anderson, The Cactus Family (Timber Press, 2001), pp. 593-596