Acacia rupicola

Somewhat diffuse, glabrous, viscid shrub, 1–2.5 m high; branchlets ribbed. Phyllodes patent, sessile, narrowly triangular to linear-triangular, 0.5–2.5 cm long, 1.5–3 mm wide, straight or slightly curved, rigid, green, pungent, cusp slender; midrib prominent; gland 0.5–2 mm above base; stipules apparently absent. Peduncles 1 per axil, 5–15 mm long, basal bracts 2; heads globular, 20–25-flowered, cream to pale yellow. Flowers 4-merous; sepals more or less free. Pods linear, to 7 cm long, 3–4.5 mm wide, thinly coriaceous, straight to curved, finely longitudinally and openly reticulate, light brown; seeds longitudinal, oblong to narrowly elliptic, 4.5–5.5 mm long, dark brown, aril terminal. Flowers usually Nov.–Mar.