Pelea rockii H. St. John var. pauciflora H. St. John, Lloydia 7: 271. 1944. Type information: Holotype [BISH]. J. F. Rock 3046. 15 May 1909. O`ahu: [Ko`olau Mts.], Kaukonahua Gulch, Wahiawa. Isotype(s) [BISH!].