Garcinia subelliptica, the happiness tree, or Fukugi tree is a species of Garcinia found in the coastal forest of Philippines, Sri Lanka, Taiwan (Gaoxiong, Huoshao Dao, cultivated in Taibei), Indonesia (Java) and Japan (Ryukyu Islands). Tree 6–20 meters high with ovate-oblong, or elliptical thick leathery leaves. Fruits are yellow smooth with 1-4 seeds. Garcinia subelliptica is the floral emblem of Mobuto and Tarama on Okinawa.

This tree is monoeicious (male and female flowers on the same plant). Both male and female flowers are borne in clusters, with the male flowers sometimes on a pseudospike.