Xanthophyllum bicolor is a tree in the family Polygalaceae. The specific epithet is from the Latin meaning "two-coloured", referring to the different colours of the leaf and petiole. Description Xanthophyllum bicolor grows up to tall with a trunk diameter of up to . 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 in diameter. Distribution and habitat Xanthophyllum bicolor is endemic to Borneo. Its habitat is mixed dipterocarp forests at low altitude. References bicolor Endemic flora of Borneo Trees of Borneo Plants described in 2005