This name is a synonym of Markhamia zanzibarica (Bojer ex DC.) K.Schum..
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 318361) with original publication details: Naturw. Reise Mossambique 192 1861.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:110715-1.
This name was in version 1 of The Plant List, record kew-318361.