Glabrous shrub or tree 1.5–7.5 m high. Branchlets acutely angled at extremities, pruinose. Phyllodes on raised stem-projections, crowded, slightly inequilateral, narrowly oblong-elliptic, (2–) 3.5–5.5 cm long, 5–11 mm wide, mucronate, thin, glaucous, 1-veined per face, obscurely penninerved; gland not prominent, 5–25 mm above pulvinus, commonly connected to midrib or pulvinus by fine oblique vein(s). Inflorescences racemose; raceme axes 3–6 cm long, slender, normally pruinose and flexuose; peduncles 2–5 mm long, slender; heads globular, normally 5–8-flowered, bright yellow; bracteoles sessile, widely ovate, pruinose. Flowers 5-merous; sepals ⅔–⅚-united. Pods narrowly oblong, to 8 cm long, 8–13 mm wide, firmly chartaceous to thinly coriaceous, pruinose. Seeds longitudinal, ovate, 4–4.5 mm long, somewhat shiny, black; funicle straight and appressed to inner surface of pod for 4 mm; aril clavate.
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