Spindly, open, sparingly branched, aromatic shrub 2–3 m tall, glabrous, viscid. Branchlets roughened by obvious stem-projections where phyllodes have fallen. Stipules caducous, linear, 2–5 mm long. Phyllodes ascending to erect, linear, mostly shallowly incurved, 9–17 cm long, usually 2–3.5 mm wide, narrowed at base, green to yellowish green, sparsely tuberculate; midrib not prominent; lateral nerves obscure or not evident; gland 1–3 mm above pulvinus, with another at base of the thick mucro. Peduncles arranged in terminal false racemes which grow out at anthesis, 1.5–4 cm long, sometimes subtended by immature phyllodes at anthesis, ebracteate at base; heads globular, densely 40–55-flowered, golden. Flowers 5-merous; sepals ½-united. Pods linear, to 10 cm long, 3.5–4.5 mm wide, crustaceous-coriaceous, roughened by an excrescent reticulum. Seeds longitudinal, oblong-elliptic, 4–4.5 mm long, arillate.
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