⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50100430, with some changes.
This name is a synonym of Zanthoxylum clava-herculis subsp. fruticosum (A. Gray) Reynel.
The record derives from Tropicos which reports it as a synonym (record 50100430) with original publication details: Smithsonian Contr. Knowl. 3(5): 30 30 1852.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:270619-2.