A deciduous, spreading tree. The trunk and branches have three-branched spines. Bright green bi-pinnate leaves consist of small paired lance-shaped and minutely toothed. Small, yellowish-green flowers appear from October to November. The seed capsules are flat and twisted brown pods. Insignificant, white summer flowers are followed by brown seedpods.
Category 1b Alien Invasive Species – every effort is being made to eradicate this species in the Reserve