"..............Gavin, don't you have schools in Australia? Did you attend
regularly? It should be obvious that what we see in your picture is a thing.
Some sort of a thing. :-).............."

Typical reply from the USA.
Every one knows that it is a "Whatyou'macallit " or in the North of
England a "Whatsit" or a "Thingy"
Really depends on the leaf colour, and growing habit.

We have a Whatyou'macallit that got to over 30 ft growing up through a
Leylandii.