Ultraviolet Flowers

Calendula officinalis L.
Calendula officinalis Visible light
Visible light
(L37C filter)
Calendula officinalis. UV light
UV light
(Hoya U-360 + B+W BG-38 , SB-140)
Both images: Nikon D70 , UV-Nikkor 105 mm f/4.5 @800 ISO

© Bjørn Rørslett/NN

Pot Marigold is frequently encountered as a garden refugee in Norway. The large flower heads certainly should attract pollinators since they exhibit a very strong UV guide bull's-eye pattern.

On a tangent note, look at the small aphid bug in the left-hand flower head. It reflects strongly in UV. I haven't the slightest clue as to the possible significance of this fact.

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Last Update 23 September, 2005