Spindly, open shrub or tree 2–6 m tall, with one or two slender main stems from the base, glabrous, resinous. Closely related to A. dictyophleba and A. sabulosa but distinguished in the following ways: Phyllodes linear to linear-oblanceolate or narrowly elliptic, 2.5–6 cm long, 3–6 mm wide, l:w ratio = 7–13, prominently 1-nerved per face, occasionally with an imperfect longitudinal nerve parallel to midrib; lateral nerves longitudinally anastomosing and normally not overly prominent; basal gland oblong, infrequently linear, 0.5–1 mm long, 0–3 mm above pulvinus. Mature pods and seeds not seen, but immature pods 7–8 mm wide and probably with oblique seeds.
At Lake Surprise, Northern Territory this species grows on the upper slopes and crests of sand dunes, while in the Edgar Range, Western Australia, it occurs in sandstone gullies.
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