Lithocarpus beccarianus is a tree in the beech family Fagaceae. It is named for the Italian botanist Odoardo Beccari.
Description Lithocarpus beccarianus grows as a tree up to tall with a trunk diameter of up to . The brown bark is scaly. The coriaceous leaves measure up to long. Its brown acorns are ellipsoid and measure up to long.
Distribution and habitat Lithocarpus beccarianus is endemic to Borneo. Its habitat is lowland dipterocarp rain forests up to elevation.
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