Acacia palustris is a tree or shrub belonging to the genus Acacia and the subgenus Juliflorae. It is native to Pilbara, Gascoyne and Mid West regions of Western Australia. The gnarled and pungent tree or shrub typically grows to a height of 2 to 4 metres (7 to 13 ft). The plant will grow in quartzite, and granitic soils and is often found along watercourses and swampy areas.