Chionanthus macrocarpus grows as a tree up to tall, with a trunk diameter of up to . The flowers are white. Fruit is bluish green when fresh, ellipsoid, up to long. The specific epithet macrocarpus is from the Greek meaning 'large fruit'. Habitat is mixed dipterocarp forest from sea-level to altitude. C. macrocarpus is found in Sumatra, Peninsular Malaysia, Borneo and Java.