Acacia praelongata is a shrub of the genus Acacia and the subgenus Plurinerves that is endemic to are area of northern Australia.
Description
The trees typically grow to a height of with a slender and delicate habit and has pendulous branches with hard and furrowed bark and glabrousbranchlets. Like most species of Acacia it has phyllodes rather than true leaves. The pendulous, glabrous and evergreen phyllodes have a narrowly linear shape and are slightly incurved with a length of and a width of an have three main nerves with the midrib being the most prominent.