Madhuca costulataMadhuca costulata is a plant in the family Sapotaceae. The specific epithet costulata means 'finely ribbed', referring to the leaves.DescriptionMadhuca costulata grows as a tree up to tall, with a trunk diameter of up to. The bark is greyish. Inflorescences bear up to six flowers.Distribution and habitatMadhuca costulata is endemic to Borneo. Its habitat is mixed dipterocarp forests to altitude.ConservationMadhuca costulata has been assessed as vulnerable on the IUCN Red List. The species is threatened by logging and conversion of land for palm oil plantations.