Xanthophyllum ferrugineum

Xanthophyllum ferrugineum is a tree in the family Polygalaceae. The specific epithet ferrugineum is from the Latin meaning 'rust-coloured', referring to the inflorescences.

Description
Xanthophyllum ferrugineum grows up to 25 m tall with a trunk diameter of up to 60 cm. The smooth bark is grey or greenish. The flowers are yellow or white. The yellowish brown fruits are roundish and measure up to 2 cm in diameter.

Distribution and habitat
Xanthophyllum ferrugineum is endemic to Borneo. Its habitat is mixed dipterocarp forests from sea-level to 500 m altitude.