⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50175260, with some changes.
This name is a synonym of Stenocactus pentacanthus (Lem.) A. Berger ex A.W. Hill.
The record derives from Tropicos which reports it as a synonym (record 50175260).