Good point (sorry about the pun
) although the bud shape doesn't seem right (my field guide said they are ball-shaped as I mentioned in an edit above), see also:
http://www.hort.uconn.edu/plan...
The inner bark should be orange (don't know how early in its life that would show up), and the milky sap should appear at the leaf scar when a leaf is broken off according to this page (which also mentions some that are thornless or nearly so:
http://www.hort.uconn.edu/plan...
I would imagine Treehugger would remember the fruit given its size.
