This name is a synonym of Hermannia modesta var. elatior (K. Schum.) K. Schum..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 30401263) with original publication details: Fl. Trop. Afr. 1: 233 1868.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:823797-1.
This name was in version 1 of The Plant List, record tro-30401263.