Changes

*''Dipterocarpus plagatus'' Blanco (1845), *''Hopea dasyrrachis'' P. Ashton (1968) non v. Slooten.

*A large tree of up to 55 m tall, bole with a diameter of up to 180 cm, buttressed, bark surface flaky; all parts glabrous; leaves .*Leaves elliptical-lanceolate to ovate, 6-12 cm × 2.5-7 cm, more or less falcate, leathery, base cuneate to obtuse, more or less markedly unequal, acumen tapering, up to 1.5 cm long, venation scalariform, midrib raised above, secondary veins 8-11(-12) pairs, slender, elevated beneath, applanate above, ascending at 35-65; stamens 65°.*Stamens about 35, subequal, anthers elongate, ovary ovoid, with obscure stylopodium and short broad style; .*2 longer fruit calyx lobes up to 4.5 cm × 2.0 cm, broadly oblong-spatulate, sometimes suborbicular, 3 shorter ones up to 7 mm × 4 mm, ovate.  ''H. plagata'' is widespread and common in semi-evergreen seasonal forest or (less often) evergreen non-seasonal forest on limestone (Sarawak); often on coastal hills and ridges, at low and medium altitude. The density of the wood is about 1100 kg/m³at 15% moisture content.