Tree to 5 m tall, slender; foliage silver-grey hairy at first, soon glabrous. Bark smooth, grey. Branchlets terete, angular towards apices, ±appressed-pubescent. Phyllodes linear, flat, straight or slightly falcate, (8.5–) 11–25.6 cm long, 1.4–2.8 mm wide, with glanduliferous apex, ±rigid, with appressed caducous silvery hairs, later subglabrous and bright green, with 5–8 longitudinal nerves per mm; midnerve slightly more prominent; gland basal. Peduncles 2–3 mm long, densely pubescent. Spikes single or paired, 23–43 mm long, 3.5–4.5 mm wide, pale yellow. Flowers 5-merous; calyx 0.8–0.9 mm long, dissected for ⅕–⅓ of length, appressed-puberulous ciliate; corolla 1.2–1.5 mm long, dissected for ⅖–½ of length, glabrous. Pods linear, raised over seeds, ±straight-sided, c. 8–12 cm long, 4.5–6 mm wide, papyraceous, light brown, glabrescent. Seeds longitudinal, brown; areole open.
Grows in crumbly red kaolinitic soil in dry Asteromyrtus heathland, in deep white sand besides permanent streams in sandstone gorges, and in skeletal soil on sandstone along streambanks in shrubland.
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