Much-branched shrub to 1 m high. Branchlets somewhat spinose, pruinose at extremities, hirsutellous to shortly pilose. Stipules evident on new shoots. Phyllodes patent to inclined, inequilateral, lanceolate, sometimes narrowly elliptic, 7–15 mm long, 1.5–4 mm wide, l: w ratio = 2–6, acuminate, pungent, glabrous or sparsely hirsutellous; midrib ± central with normally 2 or 3 minor veins parallel to it; gland 4–7 mm above pulvinus, with margin slightly angled at gland; pulvinus to c. 0.5 mm long. Inflorescences 1-headed rudimentary racemes with axes more than 0.5 mm long and frequently growing out at anthesis; peduncles 3–8 mm long, ±glabrous, recurved in fruit; basal bracts and bracteoles as in A. amblygona; heads globular to shortly obloid, 20–23-flowered, golden. Flowers 5-merous; sepals c. ¾ united. Pods ±moniliform, rather tightly coiled, to 17 mm long and 10 mm wide in contorted state, firmly chartaceous, glabrous. Seeds longitudinal, oblong-elliptic, c. 4 mm long; aril c. ⅔ length of seed.
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