Polyscias oahuensis

{{Short description|Species of tree}}

{{Speciesbox

|image = Starr 031122-0004 Tetraplasandra oahuensis.jpg

|status = G3

|status_system = TNC

|genus = Polyscias

|species = oahuensis

|authority = (A.Gray) Lowry & G.M.Plunkett

|synonyms = *Gastonia oahuensis {{au|A.Gray}}

• Tetraplasandra oahuensis {{au|(A.Gray) Harms}}

|synonyms_ref = {{ThePlantList|id=kew-463849|taxon=Polyscias oahuensis|authority=(A.Gray) Lowry & G.M.Plunkett|access-date=30 March 2014}}

}}

Polyscias oahuensis is a species of tree in the ivy family known by the common name ohe mauka'.{{PLANTS|id=TEOA|taxon=Tetraplasandra oahuensis|accessdate=9 December 2015}} It is endemic to Hawaii, where it occurs on all the major islands except for Niihau and Kahoolawe.[http://www.centerforplantconservation.org/Collection/CPC_ViewProfile.asp?CPCNum=13631 Tetraplasandra oahuensis.] {{webarchive|url=https://web.archive.org/web/20111026053158/http://www.centerforplantconservation.org/Collection/CPC_ViewProfile.asp?CPCNum=13631 |date=2011-10-26 }} Center for Plant Conservation.

This tree has compound leaves each made up of 7 to 15 dull leaflets. It contains a clear sap. The fruits are black or purple in color and their seeds are dispersed by birds. This was the most variable species of the formerly recognized genus Tetraplasandra.

The tree grows in moist to wet island forests.