⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-133270, and has not been changed.
This name is a synonym of Mitragyna inermis (Willd.) Kuntze.
The record derives from WCSP which reports it as a synonym (record 133270) with original publication details: Hooker's Icon. Pl. 8: t. 787 1848.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:757208-1.