This name is a synonym of Mitragyna speciosa (Korth.) Havil..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 133207) with original publication details: Nomencl. Bot. ed. 2, 2: 186 1841.
This name was in version 1 of The Plant List, record kew-133207, and has not been changed.