Dwarf shrub, 0.35-0.60 m high; young branches moderately branched, villous. Leaflets linear, 1.2-3.0(-5.0) mm long, subterete, ± acute, slightly incurved, non-rigid, dull green, sparsely short hairy. Inflorescences of solitary or paired flowers on each short branch, distributed below leafy branch tips. Flowers rather small. Calyx: tube shortly pubescent; lobes subulate to needle-like. Petals yellow, wing and keel blades < 5 mm long. Flowering time Dec.-Mar. Pod densely woolly on most parts.
Like A. chortophila but flowers smaller, wing and keel blades < 5 mm.