 Associated plants include "Syzygium sandwicensis", "Cheirodendron trigynum", "Myrsine lessertiana", "Ilex anomala", "Alphitonia ponderosa", "Zanthoxylum dipetalum", "Kadua terminalis", "Pleomele aurea",
"Bobea" spp., "Tetraplasandra waimeae", "Xylosma hawaiiense", "Eurya sandwicensis", "Psychotria mariniana", "Melicope anisata", "Melicope barbigera", "Pouteria sandwicensis", "Dodonaea viscosa", and
"Dianella sandwicensis".It is threatened by habitat loss.Like other Hawaiian "Melicope", this species is known as alani.