This name is a synonym of Posoqueria trinitatis DC..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 163582) with original publication details: Linnaea 19: 135 1846.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:761022-1.
This name was in version 1 of The Plant List, record kew-163582, and has not been changed.