 A genetic analysis of Internal transcribed spacer RNA material found that "Pouteria australis" was most closely related a pair of species, "Pouteria cotinifolia" and "Pouteria eerwah" - the three forming a distinct group of Australian species within the genus.An older analysis of DNA material placed it as sister taxon with "Pouteria myrsinoides".The green catbird eats the fruit, and the seeds are eaten by rodents and insects.