Acacia caesariata is a shrub of the genus Acacia and the subgenus Plurinerves. It is native to an area in the Wheatbelt region of Western Australia.
The dense rounded shrub typically grows to a height of 0.6to. It has hairy and slightly ribbed branchelts that have persistent stipules with a length of .Like most species of Acacia it has phyllodes rather than true leaves. The leathery, dull green to grey-green, erect to ascending phyllodes have an oblanceolate to linear-oblanceolate shape and can be straight to shallowly incurved. the phyllodes are in length and wide and have three to five or more subdistant longitudinal nerves per face.[1] It blooms from August to September and produces yellow flowers.
It has a disjunct distribution from around Kununoppin in the north to Lake Grace in the south where it grows in gritty clay and loam soils as a part of Eucalyptus woodland and mallee scrub communities.[1]