Twiggy shrub with stiff upright branches, reaching 2 metres in height. The ‘leaves’ (phyllodes) are narrow and stiff, reaching roughly 7 centimetres in length but usually < 0.5 cm wide. The upper reaches of each branch are often bare. The leaves have prominent longitudinal veins. Produces clusters of yellow pea flowers with markings in orange and red. The fruits are triangular and consist of two wings held together until maturity, whereupon they become dry and papery and split apart, dispersing two mottled seeds.