Chionanthus leopoldii is a flowering plant in the family Oleaceae. It is native to Borneo.

Description Chionanthus leopoldii grows as a tree up to tall, with a trunk diameter of up to . The bark is greyish. The flowers are pale greenish. The fruit is purple or red-brown when ripe, round, up to in diameter.

Distribution and habitat Chionanthus leopoldii is endemic to Borneo, where it is confined to Sabah. Its habitat is mixed dipterocarp forests from altitude.

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