Xanthophyllum bicolor is a tree in the family Polygalaceae. The specific epithet Latin: bicolor is from the Latin meaning 'two-coloured', referring to the different colours of the leaf and petiole.
Xanthophyllum bicolor grows up to 30m (100feet) tall with a trunk diameter of up to 32cm (13inches). The bark is dark brown and smooth. The flowers are yellowish-orange, drying to brown-orange. The round fruits are blue turning light brown and measure up to 20NaN0 in diameter.
Xanthophyllum bicolor is endemic to Borneo. Its habitat is mixed dipterocarp forests at low altitude.