Zanthoxylum dipetalum H. Mann var. geminicarpum Rock, Indig. trees Haw. Isl. 209. 1913.
Type information:
Holotype
[BISH]. J. F. Rock 10208. 20 July 1911. Hawai`i: Kilauea Volcano, Kipuka Puaulu. Isotype(s)
[A!, BISH! [2], US! [2]].
Note: As "Xanthoxylum." Label in Rock's hand on all BISH types have number "1020" but correct number as published in "Indig. Trees" and as written on Arn. Arb. isotype is 10208. Also, Rock's small, pencil-written label says 10208. RKS examined specimens at BISH.
=Zanthoxylum dipetalum var. dipetalum
Note: As "Xanthoxylum." Label in Rock's hand on all BISH types have number "1020" but correct number as published in "Indig. Trees" and as written on Arn. Arb. isotype is 10208. Also, Rock's small, pencil-written label says 10208. RKS examined specimens at BISH.
*Verification: R.K. Shannon, W.L. Wagner.