Hakea decurrens is a semi-prostrate to erect scrambling bush or small tree tall. Smaller branches have short densely matted silky hairs, occasionally some quickly becoming smooth. Leaves are needle-shaped, widely spreading horizontally are long and wide. The smooth leaves are grooved on the underside ending with a sharp point long. The inflorescence consists 1-6 white or pink flowers on a short white or rusty slightly hairy or densely matted hairy short stalk. The hairs extending onto a long pedicel. The smooth perianth is long. The style is long. A profusion of flowers appear in leaf axils from May to September. The grey woody fruit are broadly egg-shaped long and wide covered in distinct warts ending in a prominent beak with two small horns.
