⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-5107889, with some changes.
This name is a synonym of Melocactus azureus .
The record derives from Tropicos which reports it as a synonym (record 5107889
) with original publication details: Kakteen Lfg. 62 1975.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:280755-2
.