Close-up detail of the sharp teeth on a palm leaf stem

The leaf stems of this particular type of palm tree in Queensland, although I have not been able to identify it to species yet, have these fearsome recurved teeth on both sides. I photographed the sharp ‘teeth’ or spines on the dead stems that still criss-crossed around the tree trunk. They remind me of the blades of double-edged hand saws, or even the jaw bone of some kind of shark. Pretty amazing anyway.


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2 Replies to “Tooth-edged palm leaf stem”

  1. I wonder if they evolved as some kind of defensive structure that would prevent animals from climbing the tree to get the fruits? I must get myself a book on palms and read it up.


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