⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2502248, and has not been changed.
This name is a synonym of Macleaya cordata (Willd.) R.Br..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Autik. Bot. 14 1840.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:673262-1.