Zanthoxylum dipetalum H. Mann , Proc. Boston Soc. Nat. Hist. 10: 319. 1866. Flora of the Hawaiian Islands --Basionym
Type Information

Note: Since this is a Mann name, the holotype is presumably at CU or GH; write to both institutions inquiring.

*Verification: R.K. Shannon, W.L. Wagner.

Zanthoxylum dipetalum H. Mann var. degeneri (Skottsb.) H. St. John, Pacific Trop. Bot. Gard. Mem. 1: 206. 1973. Flora of the Hawaiian Islands --Basionym
Type Information
Fagara dipetala (H. Mann) Engl. var. degeneri Skottsb., Acta Horti Gothob. 15: 382 1944.
O`ahu: Ko`olau Mts., Pupukea-Kahuku trail. 9 February 1938. O. Selling 3359.
Holotype [?].
=Zanthoxylum dipetalum var. dipetalum

*Verification: None.
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*Verification: None.

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.

Zanthoxylum dipetalum H. Mann var. hillebrandii (Sherff) H. St. John, Rhodora 78: 73. 1976. Flora of the Hawaiian Islands --Basionym
Type Information
Fagara dipetala (H. Mann) Engl. var. hillebrandii Sherff, Amer. J. Bot. 45: 462 1958.


Note: Not validly published because no Latin diagnosis was provided; based solely on Zanthoxylum dipetalum var. beta Hillebrand.

=Zanthoxylum dipetalum var. dipetalum
*Verification: R.K. Shannon, W.L. Wagner.
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*Verification: D.M. Mix.

Zanthoxylum dipetalum H. Mann var. mannii (Sherff) H. St. John, Rhodora 78: 73. 1976. Flora of the Hawaiian Islands --Basionym
Type Information
Fagara dipetala (H. Mann) Engl. var. mannii Sherff, Amer. J. Bot. 45: 462 1958.
Kaua`i: Waimea. V. Knudsen 92.

=Zanthoxylum dipetalum var. dipetalum

*Verification: None.
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*Verification: D.M. Mix.

Zanthoxylum dipetalum H. Mann var. tomentosum Rock, Indig. trees Haw. Isl. 209. 1913.
Type information:
Holotype [BISH]. J. F. Rock 10207. March 1912. Hawai`i: North Kona, Pu`uwa`awa`a, [lava flows of Mt. Hualalai]. Isotype(s) [A!, BISH! [3]].

Note: Two of the BISH sheets are numbered 10207a and 10207b, the others just 10207. RKS examined the specimens at BISH!

=Zanthoxylum dipetalum var. tomentosum
Note: Two of the BISH sheets are numbered 10207a and 10207b, the others just 10207. RKS examined the specimens at BISH!

*Verification: R.K. Shannon, W.L. Wagner.