*Fruit ellipsoid, very large, 80-130 mm long, with thick outer layer having large air spaces under the skin, dark green.
''C.' macrocarpum'' occurs in mixed dipterocarp forest (often near streams), on ridges in hill forest, in periodically inundated forest on acid and sandy soil. It grows up to 800 m altitude. The timber is hard and reportedly durable. The outer layer of the fruit is edible but fibrous.
== Selected sources ==