Changes

*A medium-sized to fairly large tree up to 40 m tall, bole up to 80 cm in diameter, sometimes with buttresses up to 1 m high, bark surface flaky and lenticellate, brown, with white and black resin, inner bark laminated, reddish-brown, with clear resin; stipules .*Stipules subpersistent or sometimes caducous, inserted on the petiole or less often down to the twig, deeply 3-4-lobed; leaves with (7-)9-11 leaflets, rachis minutely tomentose, channelled above, leaflets gradually to distinctly shortly acuminate at apex, margin entire or sometimes serrulate near the top, powdery hairy, with (10-)13-19 pairs of secondary veins which are raised below; inflorescence .*Inflorescence terminal to pseudoterminal, paniculate to narrowly paniculate; male .*Male flowers 11 mm long, female ones 13-15 mm long, stamens 6; fruit .*Fruit ellipsoid, sometimes acute, bluntly triangular in cross-section, 50-55 mm × 35-40 mm, tomentose, especially near the apex.  ''C. megalanthum'' is locally common in lowland rain forest and on ridges, up to 350 m altitude. The density of the wood is 625-770 kg/m³at 15% moisture content. See also the table on wood properties.