Acacia carens is a shrub belonging to the genus Acacia. It is native to a small area on the Lesueur sandplain on the coast at the meeting of the Mid West and Wheatbelt regions of Western Australia.
The shrub typically grows to a height of 0.35to and has an open broom-like habit. It has glabrous, striated, terete green branchlets that have prominent yellow ribbing with narrowly triangular stipules that are in length. Like most species of Acacia it has phyllodes rather than true leaves. The few evergreen phyllodes are distantly spaced and continuous with the branches. They are rudimentary and minute with a length of .[1] It blooms between April and June producing yellow flowers.
The species was first formally described by the botanist Bruce Maslin in 1995 as part of the work Acacia Miscellany Taxonomy of some Western Australian phyllocladinous and aphyllodinous taxa (Leguminosae: Mimosoideae). as published in the journal Nuytsia. The species as reclassified as Racosperma carens in 2003 by Leslie Pedley but returned to the genus Acacia in 2006.[2]
The species is found in a small area between Coorow and Dandaragan where it grows it sandy gravelly soils on lateritic hills as part of heathland communities.[1]