Zanthoxylum semiarticulatum H. St. John & Hosaka f. laiense (O. Deg.) Fosberg, Occas. Pap. Bernice P. Bishop Mus. 24(2): 20. 1969.
Flora of the Hawaiian Islands --Basionym Type Information Fagara semiarticulata (H. St. John & Hosaka) O. Deg. f. laiense O. Deg., Fl. Hawaiiensis, fam. 179. Fagara semiarticulata 1936.
O`ahu: Laie, Malaekahana Trail, forested ridge half way to summit. 29 July 1935. O. Degener, K. Park and C. Potter & W. Bush 10083.
Holotype Isotype(s)
Note: NY sheet labeled "Cotype" in Degener's hand.