Acacia longiphyllodinea is a shrub or tree belonging to the genus Acacia and the subgenus Juliflorae. It is native to the Mid West and Wheatbelt regions of Western Australia. The shrub or tree is typically growing to a height of 1 to 5 metres (3 to 16 ft). It flowers from July to September producing yellow flowers. The plant will grown in sandy or loamy gravel soils.