Castanopsis oviformis

Castanopsis oviformis is a tree in the family Fagaceae. The specific epithet "" is from the Latin meaning "egg-shaped", referring to the cupule.
Description.
"Castanopsis oviformis" grows as a tree up to tall with a trunk diameter of up to . The brownish bark is scaly or cracked. The coriaceous leaves measure up to long. Its ovoid nuts measure up to long and are considered edible.
Distribution and habitat.
"Castanopsis oviformis" is endemic to Borneo. Its habitat is hill dipterocarp and "kerangas" forests up to altitude.