Shrub or tree 3–10 (–20) m high. New shoots golden (rarely white) puberulous. Branchlets angled at extremities, glabrous. Phyllodes somewhat pendulous, normally ±falcate, narrowly elliptic or sometimes oblanceolate, narrowed at both ends, (9–) 12–22 (–27) cm long, usually 7–15 mm wide, thin, glabrous, with prominent midrib, obscurely penninerved; gland 5–30 mm above pulvinus; margin shallowly indented at gland which is frequently connected to midrib by a fine oblique nerve. Inflorescences 6–16-headed racemes; raceme axes (1–) 1.5–5 (–8) cm long, often growing out, usually golden-puberulous; peduncles 5–12 mm long, slender, with indumentum as on raceme axes; heads globular, (12–) 17–20-flowered, creamy white. Flowers 5-merous; sepals united almost to their apices. Pods narrowly oblong, to 14 cm long, 9–11 (–15) mm wide, thinly coriaceous, glabrous. Seeds longitudinal to oblique, oblong to ovate-elliptic, 4–5 mm long; funicle encircling seed in a double fold, thick, black; aril clavate.
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