Shrub or subshrub 0.3–1.2 m tall. Stems and foliage glabrous or hairy. Stipules 1–4 mm long. Bipinnate leaves usually persistent on mature plants; petiole 5–25 mm long, eglandular; pinnae normally 1 pair; pinna-rachis 5–40 mm long; pinnules 2–12 pairs, lanceolate to narrowly oblong or elliptic, mostly 5–10 mm long and 1–3 mm wide, acute to subacute, sometimes recurved and concave to conduplicate, green to ±glaucous. Phyllodes narrowly linear, flat or ±quadrangular, 1–9 (–15) cm long, 0.5–4 mm wide; midrib prominent or obscure; gland absent. Inflorescences simple and 1 per axil, sometimes with false terminal or axillary racemes; peduncles 5–12 mm long, minutely hairy; heads globular, 12–19-flowered, cream to golden. Flowers 5-merous; sepals united, 1-nerved; petals 1-nerved. Pods linear to narrowly oblong, to 8 cm long, 4–7 mm wide, crustaceous, normally reticulate, glabrous; margins thick. Seeds transverse to longitudinal, 3–4 mm long, glossy, dark brown to black, arillate.
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