Spreading, often ±obconic, rather dense, normally multi-stemmed shrub 1–3.5 m tall. Bark grey, smooth except fissured at base of main stems. Branchlets terete, glabrous. Phyllodes ascending to erect, very narrowly elliptic to narrowly oblanceolate, flat, ±straight or more commonly incurved, 6–14.5 cm long, (4–) 5–10 (–12) mm wide, coriaceous, not particularly rigid, with a brown obtuse knob-like apical callosity, silvery grey-green or ±pale green, glabrous, finely multistriate (with 1 or 3 nerves slightly more prominent) and nonanastomosing; basal gland indistinct. Peduncles rather stout, 8–15 mm long, glabrous. Heads obloid or sometimes globular, densely flowered. Flowers mostly 5-merous; calyx dissected for ⅕ of its length, with lobes broadly triangular, resin-papillose; corolla glabrous. Pods linear, flat, slightly curved, to 10 cm long, 4–6 mm wide, thinly crustaceous to firmly chartaceous, glabrous, greyish brown; ridged on either side by thickened margins. Seeds longitudinal, dark brown, with yellowish halo surrounding pleurogram; areole less than 0.5 mm long; aril extending down ⅓ of seed length.
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