This name is a synonym of Philodendron brevispathum Schott.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 151658) with original publication details: Acta Bot. Venez. 10: 297 1975.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:282638-2.
This name was in version 1 of The Plant List, record kew-151658, and has not been changed.