[click on image to see a larger one]
Visible light:
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UV induced visible fluorescence:
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Mirabilis' pollen emits a strong blue greenish fluorescent light and some scientists believe that the special night active moths that pollinate them, might be able to see this.
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