This name is a synonym of Dionysia lacei (Hemsl. & Watt) Clay.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50326669) with original publication details: J. Linn. Soc., Bot. 28: 298, 325, pl. 41 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:702152-1.
This name was in version 1 of The Plant List, record tro-50326669, and has not been changed.