I'm talking to Spring, [1] and she informed me that the wierd alien thing [2] I photographed is in fact a topiary. I checked an online dictionary [3] and it's not quite that—it's topiary-like, but it's not a live plant.
And here I though the thing couldn't be classified.
[2] http://www.conman.org/people/spc/photos/top10/thing.html