Phyllodes linear, 4-12 cm long, 1-5 mm broad, mainly terete-compressed but sometimes flat, straight or slightly curved, sometimes appearing scurfy or farinaceous, obscurely 1-veined on each face but 4-veined in all when terete; apex always uncinate; when phyllodes are more than 2 mm broad then broadest near the apex and tapering gradually towards the base; glands small, situated on upper margin 5-10 mm from the base of the phyllodes.
Inflorescences axillary and solitary or 2-4 in very short racemes; flower-heads globular, yellow, 30-40-flowered; peduncles slender, glabrous, 5-10 mm long; flowers 5-merous.
Legumes linear, 7-15 cm long, 5-6 mm broad, straight or curved, sometimes appearing flexuose when viewed from the side, raised and wrinkled over the seeds; margins straight-edged or slightly constricted to moniliform. Seeds longitudinal in legume, obloid; funicle in a double fold, half or more encircling the seed and thickened into a fleshy aril.