Zanthoxylum maviense H. Mann var. anceps Rock, Indig. trees Haw. Isl. 205. 1913.
Type information:
Holotype [BISH]. J. F. Rock 10201. July 1911. Hawai`i: Kilauea, Kipukapuaulu.4000ft. Isotype(s) [BISH! [2], US!].

Note: As "Xanthoxylum mauiense." RKS examined the specimens at BISH; US sheet includes Mauna Loa, Puaulu for locality.

=Zanthoxylum kauaense
Note: As "Xanthoxylum mauiense." RKS examined the specimens at BISH; US sheet includes Mauna Loa, Puaulu for locality.

*Verification: R.K. Shannon.