Changes

*A large tree up to 60 m tall, with bole up to 65 cm in diameter, bark surface flaky, grey-brown to brown, inner bark yellowish when fresh and turning brown when dry, sapwood slightly paler than the yellowish to light brown heartwood; young twigs, petioles and panicles greyish sericeous; leaves .*Leaves oblanceolate or elliptical, (7.5-)10-14 cm × (2.5-)3.5-5 cm, thickly leathery, cuneate and unequal at base, acumen slender, up to 1.5 cm long, venation scalariform, midrib applanate above, secondary veins (9-)10-13 pairs, slender but prominent beneath, the basal pairs with axillary domatia; stamens .*Stamens 15, in 3 unequal verticils, ovary and stylopodium together hour-glass-shaped with a distinct median constriction, style as long as ovary; .*2 longer fruit calyx lobes up to 4.5 cm × 1.5 cm, obtuse, 3 shorter ones up to 7 mm × 5 mm, acute.  ''H. basilanica'' occurs in primary forest on undulating land and low hills below 70 m altitude; it is not common. The density of the wood is about 920 kg/m³at 15% moisture content. See also the table on wood properties.