⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50150878, with some changes.
This name is a synonym of Argemone pleiacantha Greene.
The record derives from Tropicos which reports it as a synonym (record 50150878) with original publication details: Allg. Gartenzeitung 1: 300 300 1933.