Tree 8-25 m. Leaves chartaceous, (ovate-)oblong-lanceo-late, 8-16 by 1.5-4.2 cm, base shortly attenuate, apex acutish, sometimes ± rounded, or with blunt tip; Inflorescences among the leaves or below, with short peduncle, approaching the Knema-type, short-pubescent, bracts small, caducous; Fruits solitary, ellipsoid, 4-5.5 by 2.5-4.5 cm, apex ± rounded, faintly beaked, base ± attenuate, hairs dense 0.1 mm;
Asia-Tropical, E & W New Britain present, Morobe, Northern, S Highlands Prov present, Papua New Guinea present
Malesia: Papua New Guinea (Morobe, Northern, S Highlands Prov., E & W New Britain).
1 Myristica clemensii has distinctive smallish narrow leaves with papillate undersurface; it superficially resembles M. lancifolia, which has sessile inflorescences, smaller fruits, broader leaves, etc., and it has the distinct papillate undersurface of the leaves in common with M. clemensii. 2 Specimens from New Britain differ from those of Morobe Province in having larger fruits, 5-5.5 cm, with thick, relatively short fruiting pedicel.