Shrub or tree to 4 m high, weeping. Branchlets pendulous, slender, glabrous. Phyllodes pendulous, linear to linear-elliptic or narrowly elliptic, (5–) 6.5–15 (–18) cm long, (1–) 1.5–4 (–6) mm wide, acute to acuminate with a curved to uncinate apex, thinly coriaceous, slightly shiny, olive green, glabrous, with numerous obscure closely parallel veins, with marginal veins commonly red or brown and (at least on young phyllodes) resinous. Inflorescences simple, 2 or 3 per axil; peduncles 2.5–5 mm long, normally glabrous; heads obloid to cylindrical, 8–23 mm long, subdensely flowered, golden; bracteoles spathulate. Flowers 5-merous, resinous; sepals united only basally, ciliolate. Pods oblong to narrowly oblong, to 10 cm long, 8–17 mm wide, thick and woody, commonly glabrous and slightly resinous; margins 2 mm wide, unwinged, yellowish. Seeds longitudinal, broadly elliptic to nearly circular, 6.5–9 mm long, dull, brown to black, minutely and irregularly pitted except areolar area; aril terminal, small.
Grows in a variety of habitats: low quartzite or granite hills, red-brown clay or loam on flats with mulga, on floodplains or in clayey sand along seasonally dry streams.
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