Chionanthus callophylloidesChionanthus callophylloides is a flowering plant in the family Oleaceae. It is native to Borneo.DescriptionChionanthus callophylloides grows as a tree up to tall, with a trunk diameter of up to. The bark is brown. The ellipsoid fruit is blue green, up to long.Distribution and habitatChionanthus callophylloides is endemic to Malaysian Borneo. Its habitat is in lowland mixed dipterocarp forest, sometimes in swamps.