This name is a synonym of Impatiens laxiflora Edgew..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50275528) with original publication details: Trans. Linn. Soc. London 20: 39 1851.
This name was in version 1 of The Plant List, record tro-50275528.