The often spindly tree or shrub typically grows to a height of but can reach up to It usually has a single stem with flakey or fissured bark that is grey to black in colour. The glabrous angular branchlets are yellowish to brown in colour and usually resinous. Like most species of Acacia it has phyllodes rather than leaves. The thinly coriaceous, glabrous and evergreen phyllodes have a linear to narrowly elliptic shape and are flat and straight to slightly curved. The phyllodes have a length of and a width of and have appressedhairs on nerves and margins with a midnerve and two more prominent secondary nerves. It blooms from March to June producing yellow flowers.