Cupaniopsis is a genus of about 67 species of trees and shrubs known to science, of the soapberry plant family Sapindaceae. They grow naturally in New Guinea, New Caledonia, Australia, Torres Strait Islands, Fiji, Samoa, Sulawesi, Micronesia. Many species have been threatened with extinction globally or nationally, with official recognition by the International Union for Conservation of Nature (IUCN) and several national and state governments. Tuckeroo is a common name suffix for some species in Australia.