This name is a synonym of Philodendron crassinervium Lindl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 151842) with original publication details: Syn. Aroid. 74 1856.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:87941-1.
This name was in version 1 of The Plant List, record kew-151842, and has not been changed.