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.
Species of the genus Pterocactus according to Plants of the World Online :[1]
| Image | Scientific name | Distribution |
|---|---|---|
| Pterocactus araucanus | Argentina | |
| Pterocactus australis | Argentina, Chile | |
| Pterocactus fischeri | Argentina | |
| 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 | |