Ultraviolet Flowers

Viola tricolor L.
Viola  tricolor. Visible light
Visible light
(Nikon F4, 200/4 Micro-Nikkor, L37C filter)
Viola tricolor. UV light
UV light
(Nikon F2, UV-Nikkor 105 mm f/4.5, Fuji RTP, FF filter, SB-140)
Both images © Bjørn Rørslett/NN
Wild Pansy exhibits moderate UV reflectance of the petals and no clear-cut bull's eye pattern can be discerned. The strongest area of UV absorbance roughly corresponds to the yellow markings of the petals in visible light. The buds are UV reflective on the outside.

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Last Update 6 February, 2005