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*A medium-sized to very large tree up to 60 m tall, with bole up to 175 cm in diameter and buttresses up to 3.5 m high, twigs compressed; leaves .*Leaves obovate, 7-15 cm × 4-8 cm, with 14-17 pairs of secondary veins, lower surface tomentose on the veins, dull grey, petiole 15-20 mm long; stamens .*Stamens 15, stylopodium absent; larger .*Larger fruit calyx lobes up to 8 cm × 1.3 cm.  ''S. virescens'' occurs on flat and undulating land on stoney or sandy as well as clayey soils up to 600 m altitude. The density of the wood is 380-630 kg/m³at 15% moisture content.