Tree 10-25 m. Leaves chartaceous or thinly coriaceous, elliptic-oblong to oblong-lanceolate, (13—) 17— 40 by 4.5-13 cm, base rounded or cuneate, apex acute-acuminate, margin often somewhat revolute on drying; Inflorescences 1-2 cm, among the leaves or below, hairs 0.1 mm or less, ± of the Knema-typt: Fruits 1 or 2 per infructescence, broadly ellipsoid, 3.5-5.5(-6) by 3-4 cm, hairs rust-coloured, powdery (easily rubbed off), 0.1-0.3 mm;
Asia-Tropical: Borneo present; Malaya (Peninsular Malaysia present, Singapore present); Sumatera (Sumatera present); Thailand (Thailand absent)
Malesia: Sumatra, Peninsular Malaysia, Singapore, Borneo. Not in Thailand (the record by Sinclair, I.e., applies to M. maingayi).
1 According to Sinclair (I.e.) M. crassa is sometimes monoecious, with male and female flowers in the same inflorescence. In synonymous M. suavis, King recorded rudimentary anthers present in female flowers. 2 Myristica crassa is related to M. teijsmannii (Java) and M. andamanica (Andaman Is.). Sinclair (1968: 434) tabulated a comparison between these species.