Carnivore plant shows UV pattern

A friend of mine, Dr. Andreas Wistuba, collects and breeds special forms of carnivore plants and we were both wondering if some would show some UV reflective patterns. Well indeed, some do on these "needles" which prevent their prey to escape!!

Shot using off the shelf D70, UV-Nikkor 105mm, SB-140 flash + 2" Baader U-filter (310-390nm) (resp. UV blocking filter for the fluorescence shot)
[click on image to see a larger one]
UV shot:


UV shot detail:


Fluorescence shot:

Not sure what caused that, but evolution surely had a reason to develop that UV pattern!

Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos