Tree 5-20 m. Leaves coriaceous, obovate to (elliptiç-)ôblong, (20-)30-60 by (10-) 14-25 cm, apex broadly obtuse, often retuse, base rounded or cordate; Inflorescences: Fruits 1-3 per infructescence, ovoid-ellipsoid, 3-4.5(-6?) by 2-3.5(-5?) cm, apex 3 mm apiculate, with chocolate hairs 0.2 mm;
Asia-Tropical: Malaya (Peninsular Malaysia present), Perak present
Malesia: Peninsular Malaysia (Perak).
2 Sinclair described the anthers as stalked, but I found them rather subsessile. King described the aril as embracing only the base of the seed, but possibly this was an incidental case, or due to the drying. 1 Knema retusa is a rare species of a restricted area; no recent collections are known. Its flowers are large for the genus, and for Myristicaceae in general.