Half way across the Minto Bridges, on Green Island, is a stately tree that overlooks the river and comes into its own for a very brief period once a year, in early June. This is a catalpa (above) seen in full bloom. The large white flowers that cover it have a heavenly scent, too, all the more obvious when the wind drops at sunset. I kept forgetting to take my camera with me when passing by and in the end asked my husband to take this picture using his 'smart' phone. So here it is.
The flowers, leaves and bark, in close-up, look like this (courtesy of the Wikipedia):