Chionanthus polygamusChionanthus polygamus is a tree in the family Oleaceae. The specific epithet polygamus refers to the tree having both unisexual and bisexual flowers.DescriptionChionanthus polygamus grows as a tree up to tall, with a trunk diameter of up to. Its bark is grey. The flowers are yellow green or creamy white.Distribution and habitatChionanthus polygamus is native to an area from Sumatra east to New Guinea. Its habitat is forests to altitude.