This name is a synonym of Oreostemma elatum (Greene) Greene.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 3EB70D13-BC84-464E-ABC4-4B75280913AB) with original publication details: Leafl. W. Bot. 5 80 1948.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23360-2.
This name was in version 1 of The Plant List, record gcc-40714, and has not been changed.