This name is a synonym of Impatiens stenosepala E. Pritz..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50275738) with original publication details: Nouv. Arch. Mus. Hist. Nat., sér. 4, 10: 261 1908.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:103899-1.
This name was in version 1 of The Plant List, record tro-50275738.