Graceful shrub or tree usually 3–9 m high. Branchlets pendulous, slender; ribs pubescent; interstices ± glabrous, slightly resinous. Phyllodes narrowly elliptic to lanceolate, usually 15–25 mm long, 4–8 mm wide, acute to acuminate, thin, dark green, glabrous except margins and sometimes main veins ± appressed-puberulous, resinous-punctate, often viscid especially when young, with 2 or 3 distant main veins per face and few, obscure, longitudinally anastomosing lateral veins. Inflorescences simple, 1 or 2 per axil; peduncles 3–10 mm long, puberulous; basal bract persistent; heads globular, 12–20-flowered, pale lemon yellow. Flowers 5-merous; sepals united. Pods narrowly oblong to linear, to 6 cm long, 4–5 mm wide, firmly chartaceous to thinly coriaceous, brown, glabrous except margins hairy. Seeds longitudinal, oblong, 3.5–4 mm long, somewhat shiny, dark brown; aril terminal.
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