Xanthophyllum reflexumXanthophyllum reflexum is a tree in the family Polygalaceae. The specific epithet reflexum is from the Latin meaning 'bent backwards', referring to the flower petals.DescriptionXanthophyllum reflexum grows up to tall with a trunk diameter of up to. The smooth bark is whitish brown or greenish yellow. The flowers are yellowish white, drying dark red.Distribution and habitatXanthophyllum reflexum is endemic to Borneo and confined to Sarawak. Its habitat is lowland mixed dipterocarp forest.