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. A molecular phylogenetic analysis placed the genus in the tribe Tephrocacteae.
Species Species of the genus Pterocactus accepted by Plants of the World Online :
Image Scientific name Distribution Pterocactus araucanus Argentina Pterocactus australis Argentina, Chile Pterocactus fischeri ArgentinaPterocactus fragilis R.Kiesling, E.Sarnes & N.SarnesArgentina (Neuquén) Pterocactus gonjianii Argentina (San Juan). Pterocactus hickenii Argentina, Chile Pterocactus megliolii Argentina (San Juan) Pterocactus neuquensis Argentina (Neuquén) Pterocactus reticulatus Argentina (San Juan, Mendoza) Pterocactus tuberosus Argentina Pterocactus valentini Argentina References
Edward F. Anderson, The Cactus Family (Timber Press, 2001), pp. 593–596 External links