Castanopsis costata

Castanopsis costata is a tree in the family Fagaceae. The specific epithet costata is from the Latin meaning 'ribbed', referring to the leaf venation.

Description
Castanopsis costata grows as a tree up to 36 m tall with a trunk diameter of up to 80 cm. The whitish bark is smooth, scaly or flaky. The coriaceous leaves measure up to 15 cm long. Its conical nuts measure up to 2 cm long.

Distribution and habitat
Castanopsis costata grows naturally in Thailand, Borneo, Peninsular Malaysia and Sumatra. Its habitat is lowland dipterocarp to montane forests from sea-level to 1900 m altitude.

Uses
The wood is locally used in construction. The nuts are considered edible.