Gunnera

Frailea is a genus of globular to short cylindrical cacti native to South America. These species are cleistogamous. They were first classified in the genus Echinocactus.

Species

Species accepted by the Plants of the World Online as of October 2022:^[1]

Image	Scientific name	Distribution
	Frailea alexandri Metzing	Paraguay.
	Frailea altasensis Prestlé	Brazil (Rio Grande do Sul)
	Frailea amerhauseri Prestlé	Bolivia (Santa Cruz).
	Frailea buenekeri W.R.Abraham	Brazil (Rio Grande do Sul)
	Frailea castanea Backeb.	Argentina, Brazil and Uruguay
	Frailea cataphracta (Dams) Britton & Rose	Paraguay
	Frailea chiquitana Cárdenas	Bolivia
	Frailea curvispina Buining & Brederoo	Brazil
	Frailea diersiana Schädlich	Bolivia.
	Frailea erythracantha R.Pontes, A.S.Oliveira & Deble	Brazil (Rio Grande do Sul)
	Frailea fulviseta Buining & Brederoo	Brazil
	Frailea gracillima (Lem.) Britton & Rose	Brazil, Paraguay, and Uruguay
	Frailea mammifera Buining & Brederoo	Bolivia and Argentina
	Frailea phaeodisca (Speg.) Backeb. & F.M.Knuth	Brazil and Uruguay
	Frailea piltzii C.A.L.Bercht & Schädlich	Paraguay
	Frailea pumila (Lem.) Britton & Rose	Brazil, Argentina, and Uruguay
	Frailea pygmaea (Speg.) Britton & Rose	Bolivia, Argentina, and Uruguay.
	Frailea schilinzkyana (F.Haage ex K.Schum.) Britton & Rose	Brazil to Argentina.
	Frailea stockingeri Prestlé	Brazil (Rio Grande do Sul)