The yolkcorn is a perennial plant that is a small tree, usually growing to a height of 6m. Its branchlets will be gray-brown, the leaves are narrowly elliptic, the length is almost in 10-15cm, the fruit is to ovate, after ripening will become light yellow. It prefers a warm and humid environment, and can take cold or hot weather for a short time, but the temperature should not be too low during fruit ripening. Egg yolk fruit, also known as peach, perennial plants in the genus Egg yolk fruit of the family Sapotaceae, tree height of about 6m, simple leaves alternate, leaf blade papery, narrowly elliptic, small white flowers, aggregated in the leaf axils.