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Quercus argentata (Palan ugu), is an oak tree whose distribution is restricted to Peninsular Malaysia, Borneo, Java and Sumatra. This species may attain a height of up to 42 meters and often occurs in mixed dipterocarp forests at alttidudes of up to 1800 meters. The diameter at breast height can reach 82 centimeters.
Stipules may be approximately four millimeters long. Leaves manifest as alternate, simple, leathery, penni-veined, glabrous, with elongated petioles; leaf underside has a silvery tomentum, from which the species name "argentata" (Latin for silvery) derives. Flowers are about three millimeters in diameter, green-yellow-brown, arranged in racemes. Acorns are about 25 millimenters across, with a greenish-yellow-brown nut with basal cupule.
Conservation status is treated variably by differing sources in the literature, but it is clear that the mixed dipterocarp forests, in which the species is found, are threatened by human population expansion and oil palm plantation agricultural conversions.