This name is a synonym of Zanthoxylum melanostictum Schltdl. & Cham..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 28101745) with original publication details: Anales Inst. Biol. Univ. Nac. México 12(1): 130, f. 2 1946.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:270820-2.
This name was in version 1 of The Plant List, record tro-28101745, and has not been changed.