Acacia kalgoorliensis R.S.Cowan & Maslin

Dense, rounded multistemmed shrub 1–3 m tall. Branchlets subappressed-puberulous; hairs white with red resin-hairlets intermixed. Phyllodes erect, straight, terete, 3–7 cm long, ±1.5 mm diam., tapering into long hard dark straight sharply pungent tip, rigid, glabrous except pulvinus crispate-sericeous, with numerous slightly raised closely parallel nerves; stomata evident between the nerves; glands normally 2. Inflorescences simple, 2 per axil; peduncles usually 0.5–1.5 mm long, glabrous or with scattered red resin-hairlets; heads globular to widely ellipsoid, 3–6 mm diam., 15–22-flowered, golden. Flowers 5-merous; sepals free. Pods linear, raised over and constricted between seeds, shallowly curved, to 7.5 cm long, 3 mm wide, chartaceous, glabrous. Seeds longitudinal, narrowly elliptic to oblong-elliptic, 4–4.5 mm long, dull, dark brown; aril terminal.

Grows in rocky loam, clay and clay loam on low hills in eucalypt woodland. The variant grows in sandy clay and loam over calcrete in eucalypt open woodland and Acacia tall shrubland.