Slender, spindly or spreading shrub to small tree to 4 m high; branches often pendulous. Branchlets sparsely to densely pubescent, with longitudinal ridges to 0.4 mm high, not winged. Leaves: petiole to 5 mm long but often ±absent, pubescent, with a gland 0.7–1.6 (–1.8) mm long; rachis (0.6–) 2.5–8.5 cm long, pubescent, often with a small, inconspicuous gland at base of terminal pair of pinnae, interjugary glands absent; pinnae 3–13 pairs, 0.5–4.5 cm long; pinnules (4–) 6–15 pairs, well-spaced, oblong to narrowly oblong, broadly elliptic to narrowly elliptic, lanceolate or ±narrowly obovate to oblanceolate, 2.5–8.5 mm long, 0.8–4 mm wide, dark to mid-green above, paler below, recurved, ciliate, apex acuminate. Inflorescences in axillary or terminal racemes or panicles; axes to 29 cm long, pubescent. Peduncles 4–15 mm long, pubescent. Heads 5–11-flowered, cream-coloured to pale yellow. Pods straight-sided or sometimes irregularly constricted between seeds, straight or curved, 3–13 cm long, 11–17 mm wide, coriaceous, brown, brownish black, purplish brown or purplish black, with minor transverse veins, sometimes rough over seeds, glabrous; margins prominent, paler.
Grows in sandy soil on sandstone and sometimes in more loamy or clayey soil on softer rock lenses; often growing between sandstone boulders or on sandstone outcrops; prefers drier habitats on upper hillslopes and ridges above c. 200 m alt.; usually in open eucalypt forest or woodland; near Kurri Kurri it grows in grey clay in Eucalyptus crebra forest.
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