Koki'o ke'oke'o (Hibiscus arnottianus subsp. punaluuensis)
This species of white Hibiscus has several varieties found on Moloka'i and Oahu this one being found in the Ko'olau range on Oahu. Along with Hibiscus waimeae from Kaua'i these are the only two fragrant species of Hibiscus in the world. For my photos of this species go here.