Zanthoxylum semiarticulatum H. St. John & Hosaka var. sessilis (O. Deg.) Fosberg, Occas. Pap. Bernice P. Bishop Mus. 24(2): 19. 1969.
Flora of the Hawaiian Islands --Basionym Type Information Fagara semiarticulata (H. St. John & Hosaka) O. Deg. var. sessilis O. Deg., Fl. Hawaiiensis, fam. 179. Fagara semiarticulata 1936.
O`ahu: Wai`anae Range, S of Palikea, slope near summit ridge. 5 January 1936. O. Degener 10159.
Holotype
[BISH]. Isotype(s)
[B, BISH!, CU, G, GH, MASS!, MO, NY!, US].
Note: Several additional institutions listed (for isotype distribution) on holotype label. NY sheet labeled "Type" in Degener's hand.