⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2782037, with some changes.

Echinocactus melocactoides Lem. is a synonym of Melocactus violaceus Pfeiff.

This name is a synonym of Melocactus violaceus Pfeiff..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Cact. Aliq. Nov. 28 1838.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:131988-1.