Tall shrubs or small trees 3-7 m high, either a single or multi-stemmed with spreading umbrageous canopies, habit similar to that of a. papyrocarpa (sp.84); branchlets sometimes drooping, slightly angular, minutely pubescent but becoming terete and glabrous with age; bark grey, rough, flaky and fissured. 

<P>Phyllodes linear, 7-11 cm long, 1.5-2 mm broad, straight or slightly curved, terete-compressed, appressed pubescent, silvery pubescent when young, numerous fine parallel longitudinal veins; apex terminating in a fine delicately curved point; glands basal. 

<P>Inflorescences in axillary clusters of 2-6 heads; flower-heads globular, yellow, c. 25-flowered; peduncles short and hoary; flowers 5-merous. 

<P>Legumes markedly moniliform, 6-11 cm long, c. 4 mm broad, chartaceous, not reticulate, light brown, finely pubescent to almost glabrous. Seeds longitudinal in legume, ellipsoid, brownish; funicle slightly undulate or with a few short folds below the small aril.