Chionanthus palustris

Chionanthus palustris grows as a tree up to tall, with a trunk diameter of up to . The bark is light brown. The flowers are yellowish green. Fruit is cream coloured, round, up to in diameter. The specific epithet "palustris" is from the Latin meaning "swampy", referring to the habitat. Habitat is lowland swamp and forests. "C. palustris" is endemic to Borneo.
It was first described and published by Ruth Kiew in Malaysian Forester Vol.43 on page 382 in 1980.