Tree 2.5-9 m tall. Leaves chartaceous, (elliptic-)oblong, 6—14(—18) by 2-4.5(-7.5) cm, base short to long attenuate, apex acute-acuminate; Inflorescences between the leaves and below, sessile, of the Knema-typt; Fruits solitary, ± oblong, 3.5-4.5 by 1.2-1.5 cm, apex acute (with minute apiculum), the basal 1.5-2 cm narrowed into a slender pseudostalk, hairs dense, greyish brown, less than 0.1 mm;
Asia-Tropical, Buso River area endemic, Morobe Prov present, eastern Papua New Guinea present
Malesia: eastern Papua New Guinea (Morobe Prov., a local endemic, several collections from Buso River area).
Myristica filipes belongs with M. flosculosa and M. pumila to a coherent group which is characterized by tubiform male flowers. The lower half of the perianth inside (where contiguous with the androphore) is conspicuously thickened by irregular warty ridges. As in M. pumila the fruiting pedicel of M. filipes is distinctively long and slender.