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 161651) with original publication details: Bot. Cab. 7: t. 681 1823.
This name was in version 1 of The Plant List, record kew-161651.