Acacia anomala, commonly known as Chittering grass wattle or grass wattle. is a species of flowering plant in the family Fabaceae and is endemic to a small area along the west coast of Western Australia. It is an erect, rush-like shrub mostly with a few linear to narrow elliptic phyllodes, spikes of golden-yellow flowers, and linear pods up to 50 mm (2.0 in) long.

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