Tree, 6-14m tall with almost smooth light brown bark. Leaves fern-like and finely divided, (13-20cm long x 8-10cm wide), alternate along the stems. Leaflets are asymmetric, midrib near one margin and parallel to it. Pink pom-pom flowers (4 cm), in panicles at the ends of branches. Flat straw-coloured pods about 15cm long, light brown oval shaped seeds. Pods ripen Feb-March and remain on trees into winter.
Disturbed areas and is very drought tolerant.
Buoyant legume seedpods spread by water. Has impermeable seed coats that allow them to remain dormant for many years.
Invasive in the US particularly in riparian areas. Naturalised in NZ and has been found in the region isolated from adult plants in disturbed areas.
This species is included because it is one of the species to be researched in the 2007-2012 Auckland Regional Pest Management Strategy.
Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.