Hibiscus saintjohnianus M. J. Roe , Pacific Sci. 15: 18. 1961.
Type information:
Holotype [BISH]. H. St. John 25989. 22 December 1956. Kaua`i: Hanalei Dist., headland W of Hanakapiai, Napali Coast, on sharply precipitous slopes.700ft.
=Hibiscus kokio subsp. saintjohnianus

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