[click on image to see a larger one]
Human vision:
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Reflected ultraviolet (UV):
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Simulated bee vision:
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Simulated butterfly vision:
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Quadriptych of human vision, ultraviolet, simulated bee and butterfly vision (left to right, top to bottom):
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This flower shows a very prominent and strong UV reflection around 365nm on its petals, but its center is UV-dark, and all this gets nicely visible, also in simulated bee and butterfly vision.
Stay tuned, more will follow on that fascinating subject...
I have previously written about this flower HERE
More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos