Changes

*A medium-sized to very large tree up to 60 m tall with bole branchless for 23-30 m and up to 165 cm in diameter, buttresses up to 3 m high; leaves .*Leaves oblong-ovate to elliptical, thinly leathery, 9-14 cm × 4-6 cm, with 12-16 pairs of secondary veins, petiole slender, 1-2 cm long; stamens .*Stamens 15, stylopodium absent; larger .*Larger fruit calyx lobes up to 10 cm × 1.7 cm.  ''S. bracteolata'' is variable and occurs on well-drained soils on coastal hills and undulating land up to 600 m altitude. The density of the wood is 510-840 kg/m³at 15% moisture content. See also the table on wood properties.