Now the leaves are gone the load of fruits are obvious; note the same in the garden behind shown on the 2nd photo and the closeness to power-lines; see same specimen with leaves https://canberra.naturemapr.org/sightings/4723552. The third photo shows the storm water pipe which catches water from the swale behind the backyards, and this ensures the invasive species spreads in the Sullivans Creek Catchment. this specimen was "planted" by dumping the pods and will have a devastating impact down-streams. To get an idea about the number of seeds produced by fruiting Gleditsia see https://canberra.naturemapr.org/sightings/4730494