Tree to 8 m tall. Branchlets ribbed, densely appressed-pubescent between ribs. Phyllodes narrowly elliptic, 7-13 cm long, 4-9 mm wide, longitudinally striate with appressed hairs between ribs; midrib occasionally more prominent. Inflorescences 1-5 in axils; peduncles 4-8 mm long; heads capitate to shortly spicate, 6-12 mm long. Flowers 5-merous; sepals extremely narrow, c. 1 mm long, free, pubescent with pale yellow hairs; corolla c. 2 mm long; stamens c. 2.5 mm long; ovary with dense minute scale-like hairs. Pods not stipitate, flat, straight, depressed tetragonous in section, to 12 cm long, c. 7 mm wide, 2-3 mm thick, coriaceous, grey, hoary, with irregular somewhat anastomosing ribs, dehiscent. Seeds longitudinal, obloid, 5-6.5 mm long, 3-3.5 mm wide; aril small, obliquely terminal, pileate, fawn.
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