This name is a synonym of Impatiens sodenii Engl. & Warb..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 3100312) with original publication details: Pflanzenw. Ost-Afrikas 255 1895.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:374400-1.
This name was in version 1 of The Plant List, record tro-3100312.