⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-5107934, with some changes.
This name is a synonym of Melocactus zehntneri .
The record derives from Tropicos which reports it as a synonym (record 5107934
) with original publication details: Succulenta (Netherlands) 63: 3 3 1984.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:904680-1
.