This name is a synonym of Zanthoxylum spinosum subsp. venosum (Leonard) Reynel.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50100109) with original publication details: J. Wash. Acad. Sci. 14: 414 1924.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:270815-2.
This name was in version 1 of The Plant List, record tro-50100109.