This name is a synonym of Hoya carnosa (L.f.) R.Br..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 2602291) with original publication details: Ecl. Pl. Rar. 1: 7 1811.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:101272-1.
This name was in version 1 of The Plant List, record tro-2602291.