Changes

*A medium-sized to very large tree up to 70 m tall, with a long bole up to 190 cm in diameter, buttresses prominent, up to 5 m high, twigs compressed; leaves .*Leaves oblong-elliptical, 7.5-15 cm × 4.5-6.5 cm, with 16-20 pairs of secondary veins, midrib obscure above; stamens .*Stamens 20-25, anthers narrowly oblong; larger .*Larger fruit calyx lobes up to 8 cm × 1.4 cm.  ''S. albida'' occurs typically in peat-swamp forest and locally on podzolic soils in heath forest up to 1200 m altitude. The density of the wood is variable: 590-850 kg/m³at 15% moisture content.