Sparingly branched, weak shrub 2–4 m high. Branchlets somewhat pendulous, angled at extremities, red-brown, glabrous. Phyllodes rather crowded, on raised stem-projections, ascending to erect, linear to narrowly oblanceolate, 5–9 cm long, 2–5 mm wide, normally gradually narrowed to an acute or acuminate apex, thin, glabrous, with fine midrib, obscurely penninerved; gland not prominent, 0–6 mm above pulvinus. Inflorescences racemose, with raceme axes 2–6 cm long, slender, glabrous; peduncles 3–5 mm long, to 8 mm long in fruit, glabrous; heads globular, densely 20–30-flowered, creamy white or bright yellow. Flowers 5-merous; sepals united almost to apex. Pods broadly linear, to 13 cm long, 6–7 mm wide, firmly chartaceous to thinly coriaceous, glabrous. Seeds longitudinal, oblong, 4.5–5.5 mm long, slightly shiny, black; funicle encircling seed in a double fold, red-black; aril clavate.
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