⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-5106169, with some changes.

Melocactus depressus Hook. is a synonym of Melocactus violaceus Pfeiff.

This name is a synonym of Melocactus violaceus Pfeiff..

The record derives from Tropicos which reports it as a synonym (record 5106169) with original publication details: Bot. Mag. 65: t. 3691 t. 3691 1838.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:309513-2.