Xanthophyllum ovatifoliumXanthophyllum ovatifolium is a tree in the family Polygalaceae. The specific epithet ovatifolium is from the Latin meaning 'egg-shaped leaf'.DescriptionXanthophyllum ovatifolium has unbranched inflorescences bearing four to six flowers. The flowers are white, drying pale brownish.Distribution and habitatXanthophyllum ovatifolium grows naturally in Borneo where it is confined to Sarawak. It may also grow in Sumatra but is considered unlikely there.