This name is a synonym of Sedum ebracteatum Moc. & Sessé ex DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8902646) with original publication details: J. Roy. Hort. Soc. 46: 132 1921.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:231869-2.
This name was in version 1 of The Plant List, record tro-8902646, and has not been changed.