Dryobalanops oblongifolia Dyer

A tree. It grows 60 m tall. The trunk can be 150 cm across. The branches are 20 m above ground level. It has large buttresses. The bark is purplish-grey. The leaves are simple and oblong. They are 6-20 cm long by 2-5 cm wide. They are smooth and shiny. The flowers are white and in panicles. The fruit are 7 mm long. They are greenish yellow and a nut with 5 wings.

A tropical plant. It grows in hilly dipterocarp forests up to 600 m above sea level. It also grows along streams and swamps.

Plants can be grown from seeds.