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Plant Form: Large spreading multi-stemmed shrub or small tree.
Size: Up to 14 m tall.
Stem: Single stem, young bark has tinges of orange or green with 1-5 cm long spines, older trees have rough bark and lose thorns.
Leaves: 3-4 cm long comprising 10-25 pairs of very small leaflets along length.
Flowers: Globular wattle-like yellow flowerheads about 10 mm diameter, in groups of 2-6.
Fruit and Seeds: Grey-green pods 10-20 cm long, covered in fine hairs and with constrictions between seeds.
Habitat: Rangelands, pastures, around waterways and floodplains.
Distinguishing Features: Distinguished from other Prickly acacias (Vachellia species) by having pods that are strongly constricted, with an almost pearl necklace appearance.