Acacia pulchella, commonly known as prickly moses, is a shrub in the family Fabaceae. Endemic to Western Australia, it is one of the most common shrubs of the bushland around Perth and in the Darling Range. Prickly moses is one of only a small number of Acacia species to have true leaves, rather than phyllodes. It has feathery, bipinnate leaves with leaflets up to 5 mm long. At the base of each leaf is one or two spines. The flower heads are bright yellow and spherical, with a diameter of up to 1 cm. It flowers in late winter and early spring. There are four recognised varieties: