This name is a synonym of Maclura tinctoria (L.) D.Don ex Steud..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Gen. Pl. Suppl. 4(2): 34 1848.
This name was in version 1 of The Plant List, record kew-2501248.