This name is a synonym of Plumeria obtusa var. sericifolia (C.Wright ex Griseb.) Woodson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 161571) with original publication details: Ann. Civili Regno Due Sicilie 1: 122 1833.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:81217-1.
This name was in version 1 of The Plant List, record kew-161571.