This name is a synonym of Tricalysia coriacea subsp. nyassae (Hiern) Bridson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 162612) with original publication details: Bot. Jahrb. Syst. 48: 112 1912.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:760890-1.
This name was in version 1 of The Plant List, record kew-162612, and has not been changed.