Pandanus tectorius
"Acacia koaia", "Koaia", is highly adapted to dry habitats, and is capable of forming dense forests in areas with very little rainfall. It was formerly found widely in dry forests on all of the main islands. Associated plants include "uluhe" ("Dicranopteris linearis"), "hala" ("Pandanus tectorius"), "kookoolau" ("Bidens" spp.), "kokio" ("Hibiscus kokio"), "nehe" ("Lipochaeta" spp.), "hala pepe" ("Dracaena" spp.), and "ōhia lehua" ("Metrosideros polymorpha").