Sindora siamensis Teijsm. ex Miq.

An evergreen tree. It grows 10-25 m tall. The trunk is straight. The bark is dark brown and smooth with slight cracks along it. The leaves are compound with leaflets along the stalk. There are 2-3 pairs of leaflets. They are narrowly oval and rounded at the base and taper to the tip. The flowers are in long panicles 27-35 cm long. They are near the ends of branches. The fruit is a pod that is an irregular oval shape and 8 cm long. The fruit have thorns. There are 1-3 seeds. These are round and flattened and 10-15 mm across. They have a large aril or fleshy layer around them.

Lowland forests. A canopy and subcanopy tree in primary forest, remnants of forest with some bamboos, mixed evergreen forest, mixed deciduous forest, dry deciduous Dipterocarp forests.

The fruit are eaten and sometimes chewed with betel nut. The roasted seeds are used to make a drink and also used in desserts.

Plants can be grown from seeds.