Castanopsis fulva is a tree in the beech family Fagaceae. The specific epithet Latin: [[:wikt:fulvus|fulva]] is from the Latin meaning 'tawny', referring to the indumentum.
Castanopsis fulva grows as a tree up to 25m (82feet) tall with a trunk diameter of up to 50cm (20inches). The bark is smooth or fissured. The coriaceous leaves measure up to 17cm (07inches) long. Its ovoid or conical nuts measure up to 21NaN1 long.
Castanopsis fulva grows naturally in Borneo, Peninsular Malaysia and Sumatra. Its habitat is hill dipterocarp and kerangas forests up to 1100m (3,600feet) altitude.