Euphorbia haeleeleana Euphorbia haeleeleana Euphorbia haeleeleana, the Kauai spurge, is a species of flowering plant in the croton family, Euphorbiaceae, that is endemic to the islands of Kauai and Oahu in Hawaii. Like other Hawaiian spurges it is known as `akoko. It inhabits dry, coastal mesic, and mixed mesic forests from . Associated plants include ōhia lehua ("Metrosideros polymorpha"), koa ("Acacia koa"), lama ("Diospyros sandwicensis"), kukui ("Aleurites moluccanus"), aalii ("Dodonaea viscosa"), wiliwili ("Erythrina sandwicensis"), hala pepe ("Pleomele" spp.), ohe kukuluāeo ("Reynoldsia sandwicensis"), and āulu ("Sapindus oahuensis"). Kauai Spurge is a small tree, reaching a height of . It is threatened by habitat
Acacia koaia It can be seen on ranch land in North Kohala, and at a small fenced exclosure outside of Waimea known as the "koaia" sanctuary. "Koaia" is one of the species being used to revegetate the island of Kahoolawe, which lost most of its plant life to overgrazing and ordnance testing. Native Hawaiians ground "koaia" leaves and bark with "auaukoi" ("Senna occidentalis") and "kikānia pipili" ("Desmodium sandwicense") stalks. The mixture was then hydrated and used in a steam bath to treat diseased skin. The wood of "koaia" is harder and more dense than that of "koa". It was used to make