Tree c. 8 m. Leaves ± membranous, oblong-lanceolate, 13-21 by 3.5-6 cm, base long-attenuate, apex rounded or bluntish to subacute; Inflorescences among the leaves, with pale brown stellate hairs 0.1 mm;
Asia-Tropical: Malaya (Peninsular Malaysia present), Fraser's Hill, start of Pine Tree Hill trail present, Pahang present
Malesia: Peninsular Malaysia (Pahang, Fraser's Hill, start of Pine Tree Hill trail).
Horsfieldia elongata belongs to the group of species with pallid bark of twigs and often dispersed leaves, like H. atjehensis, H. pallidicaula, H. sparsa, and H. sucosa; the present species has distichous leaves. It keys out besides H. pallidicaula from Borneo, to which it seems closely related.