Prostrate or semi-prostrate shrub to 0.5 m high and 2 m across. Branchlets slightly to prominently flexuose, glabrous. Stipules persistent. Phyllodes continuous with branchlets, bifariously decurrent and forming opposite wings with each one extending to the next below, 1–3.5 cm long, 4–10 mm wide, coriaceous, green to subglaucous, glabrous, but axils densely and minutely resin-haired; margins occasionally undulate; free portion of phyllode with obviously rounded adaxial margin, 5–15 mm long, excentrically mucronate, with main vein ± obscure or superficially absent; gland not prominent. Inflorescences rudimentary, 1-headed racemes with axes 0.5–1.5 mm long; peduncles 2–12 mm long, glabrous, sometimes descending in fruit; heads globular, 16–23-flowered, light golden. Flowers 5-merous; sepals ± free; petals nerveless. Pods strongly curved to twice-coiled, ± terete, to 2 cm long, 2–3 mm wide, thinly crustaceous, black, ± glabrous. Seeds longitudinal, oblong, c. 3 mm long; aril terminal, conical.
Grows in clay, loam and sand, in scrub, mallee communities and woodland.