Hibiscus arnottianus A. Graysubsp. immaculatus (M.J. Roe) D.M. Bates, in Wagner, Herbst & Sohmer, Bishop Mus. Occas. Pap. 29: 104. 1989.
*Verification: Wagner, W.L., D.R. Herbst, & S.H. Sohmer. 1989. Man. Fl. Pl. Hawai`i. 988pp..

Type Information
Basionym: Hibiscus immaculatus M. J. Roe , Pacific Sci. 15: 22 1961.
Moloka`i, Wailau Valley, pali of Oloku`i above Waiehu. September 1912. Forbes 551.Mo.
Holotype [BISH].
*Verification: Wagner, W.L., D.R. Herbst, & S.H. Sohmer. 1989. Man. Fl. Pl. Hawai`i. 988pp..
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