⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-28100546, 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 28100546) with original publication details: Proc. Acad. Nat. Sci. Philadelphia 13(12): 450 450 1861.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:775771-1.