Acacia acanthoclada F.Muell.

Harsh, intricate, spreading shrub 0.3–2 m high. Branchlets short, straight, rigid, patent to erect, spinescent, glabrous or pubescent. Stipules ± caducous, connate when young. Phyllodes ± erect, cuneate to obtriangular with upper apical angle obtuse and lower angle mucronulate, sometimes almost linear and then often ± uncinate, semi-terete when very narrow, (2–) 3–10 (–12) mm long, 0.5–4 (–5) mm wide, green or glaucous, glabrous or pubescent; veins ± obscure. Inflorescences rudimentary 1-headed racemes with axes more than 0.5 mm long; peduncles 5–15 mm long, glabrous; basal bract small; heads globular, 4–5 mm diam., 15–30 (–35)-flowered, golden. Flowers 5-merous; sepals ⅓–⅔-united; petals 1-veined. Pods slightly constricted between seeds, twisted or coiled, 1–2 cm long (unexpanded), 2–3 mm wide, thinly coriaceous, dark brown to black, glabrous. Seeds longitudinal, 2–4 mm long, ±distinctly mottled, brown; aril oblique, thick.

Grows in sand, clay or loam in a variety of habitats.