Slender shrub or tree 5–7 m high. Bark smooth, silvery grey or white. Branchlets often pruinose, glabrous. Phyllodes narrowly elliptic, normally falcately recurved, usually 10–17.5 cm long and 1.5–3 cm wide, much narrowed at base, glabrous, with 2 prominent veins ±running together and often contiguous with lower margin at base, and a lesser third vein commonly also present, openly reticulate between veins; gland at or near distal end of pulvinus commonly elongate, with 1–3 additional glands often on triangular projections. Inflorescences racemose; racemes 1–4.5 cm long; peduncles 3–6 mm long, appressed-puberulous, to 8 mm long and often glabrous in fruit; heads globular, 20–35-flowered, pale yellow. Flowers 5-merous; sepals united. Pods to 12 cm long, 4.5–6 mm wide, thinly coriaceous, glabrous. Seeds longitudinal, oblong to elliptic, 5–6 mm long, slightly shiny, black, minutely puncticulate; funicle thickly filiform, 3/4 encircling seed, reddish brown; aril clavate.
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