This name is a synonym of Oreostemma peirsonii (Sharsm.) G.L.Nesom.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record A644ADE2-ED08-4A32-A19C-416431DD72DC) with original publication details: Leafl. W. Bot. 5: 50. 1947 50 1947.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:307944-2.
This name was in version 1 of The Plant List, record gcc-35272, and has not been changed.