⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2650582, with some changes.
This name is a synonym of Argemone subfusiformis Ownbey.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Brittonia 13: 103 1961.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:18871-2.