⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-5107994, with some changes.
This name is a synonym of Melocactus macracanthos .
The record derives from Tropicos which reports it as a synonym (record 5107994
) with original publication details: Kakt. Orch.-Rundschau 13(2): 13-19 13-19 1988.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:957924-1
.