Euphorbia haeleeleana

{{Short description|Species of tree}}

{{Italic title}}

{{Speciesbox

|name = Kaua{{okina}}i spurge

|image = Euphorbia haeleeleana.jpg

|status = EN

|status_system = IUCN3.1

|status_ref = {{cite iucn |author=Keir, M. |date=2018 |title=Euphorbia haeleeleana |volume=2018 |page=e.T30925A83799674 |doi=10.2305/IUCN.UK.2018-2.RLTS.T30925A83799674.en |access-date=15 November 2021}}

|genus = Euphorbia

|species = haeleeleana

|authority = D.R.Herbst

}}

Euphorbia haeleeleana, the Kaua{{okina}}i spurge, is a species of flowering plant in the croton family, Euphorbiaceae, that is endemic to the islands of Kaua{{okina}}i and Oa{{okina}}hu in Hawaii. Like other Hawaiian spurges it is known as `akoko.

It inhabits dry, coastal mesic, and mixed mesic forests from {{convert|205|-|670|m|ft|abbr=on}}. Associated plants include {{okina}}ōhi{{okina}}a lehua (Metrosideros polymorpha), koa (Acacia koa), lama (Diospyros sandwicensis), kukui (Aleurites moluccanus), {{okina}}a{{okina}}ali{{okina}}i (Dodonaea viscosa), wiliwili (Erythrina sandwicensis), hala pepe (Dracaena spp.), {{okina}}ohe kukuluāe{{okina}}o (Reynoldsia sandwicensis), and āulu (Sapindus oahuensis). Kaua{{okina}}i Spurge is a small tree, reaching a height of {{convert|3|-|14|m|ft}}.{{cite web |url=http://www.centerforplantconservation.org/collection/CPC_ViewProfile.asp?CPCNum=1888 |title=Euphorbia haeleeleana |work=CPC National Collection Plant Profiles |publisher=Center for Plant Conservation |date=2008-01-29 |access-date=2009-11-14 |archive-url=https://web.archive.org/web/20101027133502/http://centerforplantconservation.org/Collection/CPC_ViewProfile.asp?CPCNum=1888 |archive-date=2010-10-27 |url-status=dead }}

It is threatened by habitat loss and disturbance. Feral pigs and goats damage the habitat and non-native plant species take hold there and compete for resources.USFWS. [http://ecos.fws.gov/docs/five_year_review/doc3293.pdf E. haeleeleana Five-year Review.] August 2010.