Shorea sumatrana (Slooten) Desch

A large tree. It grows 45 m tall. The trunk can be 115 cm across. It can be 25 m to the first branch. The trunk can be 4 m around. It has buttresses. The leaves are simple and alternate. They are oblong to sword shaped and 16.5 cm long by 7.5 cm wide. They are thinly leathery with 10 pairs of secondary veins. The flowers are pink to yellow and in groups. These can be in the axils of leaves or on branches near the ends of branches. The fruit are oval nuts. They are hairy and have a scent. There are 3 longer calyx lobes that are broadly spoon shaped and 2 shorter lobes.

A tropical plant. It grows along the banks of slow flowing rivers up to 1,000 m above sea level. They grow beside streams. They grow best on alluvial soils often in places which are occasionally flooded.

The fat or oil is mixed with rice like butter.

Plants can be grown from seeds.