⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Cactus melocactus in version 1.1 of The Plant List.
This name is a synonym of Melocactus intortus .
The record derives from Tropicos which reports it as a synonym (record 5102526
) with original publication details: Hort. Kew. 2: 150 150 1789.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:60442203-2
.