⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2813859, with some changes.
This name is a synonym of Frailea gracillima .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Arch. Jard. Bot. Rio de Janeiro 9: 174 1949.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:105510-2
.