Shrub 2-5 m high. Branchlets puberulous; hairs normally tubercule-based. Pinnae 3-6 pairs, 2-6 mm long (proximal pinnae) otherwise 15-50 mm long; petiole c. 1 mm long; rachis 15-55 mm long; pinnules 2 or 3 pairs (proximal pinnae) otherwise 7-13 pairs, ±oblong, ±sessile and obliquely truncate at base, 3-6 mm long, 1.5-3 mm wide, slightly recurved, green, ±scabridulous; gland on rachis between the two lowermost pairs of pinnae, ±subsessile, bowl-shaped. Inflorescences rudimentary 2-4 headed racemes with axes > 1 mm long, normally 1 per axil; peduncles 7-17 mm long, puberulous; heads globular, 15-20-flowered, creamy white to very pale yellow. Flowers 5-merous; sepals 3/4-5/6-united. Pods to 4 cm long, 4-6 mm wide, coriaceous-crustaceous, shortly pilose. Seeds transverse to oblique (a few longitudinal), oblong to elliptic, 2-2.5 mm long.
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