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Form and Size: Spiny, spreading shrub to 5m in height; new growth and branchlets are densely hairy.
Distribution: Inland areas of north Qld., N.T. and W.A. on stony or sandy ridges.
Phyllodes: Dull green, thick, lance-shaped, often sticky and hairy or with yellow sticky margins, 4.5-11cm x 1-3cm; 3-5 prominent veins radiating from the lower margin.
Bark: Smooth, grey.
Flowers: Bright yellow spikes, 2-4cm x 0.6- 0.7cm, usually in pairs in the leaf axils.
Flowering Period: March to June.
Fruit: Pods, reddish-brown, round and curved, 5-9cm x 0.3-0.4cm, usually sticky, raised yellow margins; seeds longitudinal in the pod.
Distinctive Features: Sometimes confused with A. umbellata – A. umbellata is a denser shrub with shorter flower spikes (2cm) and shorter pods (3-4.5cm).
Cultivation/Notes: Propagate from treated seed.