C. acerosa is a low, spreading shrub with yellow-brownish leaves, red bark and blue fruit.

[1] It is declining over large parts of its original range due to competition from marram grass.

[2] Low-growing, with slender flexible, sprawling to prostrate, interlacing branches and branchlets, forming a ± cushionlike mass up to c. 2 m.

♂ with calyx 0 or vestigial; corolla funnelform, lobes ovate-oblong, subacute, ± = tube.

♀ with acute, narrow-triangular calyx-teeth; corolla funnelform, lobes narrow-oblong, obtuse.