Acacia crispula is a species of flowering plant in the family Fabaceae and is endemic to the south of Western Australia. It is a multi-stemmed, prostrate or low-spreading shrub with hairy branchlets, hairy elliptic or narrowly elliptic to more or less lance-shaped phyllodes with wavy edges, spherical heads of pale yellow flowers and narrowly oblong, straight to curved, crusty to leathery pods.

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