Lithocarpus confragosus is a tree in the beech family Fagaceae. It is native to Southeast Asia.
Description Lithocarpus confragosus grows as a tree up to tall, with a trunk diameter of up to . The brownish bark is smooth, scaly or lenticellate. The coriaceous leaves measure up to long. Its brown acorns are ovoid to roundish and measure up to across.
Taxonomy Lithocarpus confragosus was initially described as Quercus confragosa by British botanist George King in The Flora of British India in 1899. In 1931, French botanist Aimée Antoinette Camus transferred the species to the genus Lithocarpus. A specimen collected in Perak in Peninsular Malaysia was designated lectotype. The specific epithet confragosus means 'uneven', referring to the cupule wall surface.
Distribution and habitat Lithocarpus confragosus is native to Peninsular Malaysia and Borneo. Its presence in Sumatra is uncertain. Its habitat is dipterocarp forests, to elevation.
Conservation Lithocarpus confragosus has been assessed as near threatened on the IUCN Red List. It is threatened by deforestation and conversion of land for farming and urban development, by logging and slash-and-burn agriculture. The species is present in protected areas in Sabah, Borneo.
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