Hibiscus oahuensis O. Deg. & I. Deg. , Phytologia 35: 468. 1977.
Type information:
Holotype [NY?]. M. Roe 204. 23 November 1956. O`ahu: Waialua Dist., Kawai Iki Ditch Trail, Kawailoa, Ko`olau Range.1080ft.
=Hibiscus kokio subsp. kokio

*Verification: Wagner, W.L., D.R. Herbst, & S.H. Sohmer. 1989. Man. Fl. Pl. Hawai`i. 988pp..