Description: Evergreen tree, 25-35 m in height. Bole in older trees branchless for up to 15 m, fluted, up to 90 cm in diameter. Leaves (phyllodes) large, 25 cm in length and 3.5- 10 cm in width. Inflorescence is composed of many tiny white or cream flowers in spikes. Flowers are bisexual. Dehiscent pod tightly coiled when ripe, brown in colour, slightly woody, 3-5 mm wide and 7-10 cm long. Seeds are black and shiny, longitudinal, elliptical, ovate to oblong, 3-5 mm by 2-3 mm. There are about 66,000-120,000 seed/kg.
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