"hovea rosmarinifolia" is a shrub to high. the stems and branches are thickly covered in brownish coloured soft hairs that may be wrinkled, curly or straight. leaves are long and narrow long and wide either rounded or squared at the apex. the leaves are a deep green above, paler on the underside and arch downward on either side of the midrib. the surface is either smooth or sparsely covered in rough hairs with a network of prominent raised veins. the leaf underside has curled or wrinkled brownish hairs completely covering the leaf blade. the leaf stipules are narrowly egg-shaped, generally hairy and long. the sessile inflorescence consists of 1 or 2 mauve flowers on a stalk long. the flower bracts are egg-shaped to narrowly egg-shaped long. the sepals are long, the mauve petals at the back of the flower long and similarly as wide. the mauve keel is shorter than the petals of the flower. flowers appear from august to november followed by egg-shaped seed pods long that are densely covered in rusty coloured soft hairs.