Ultraviolet Flowers

Fragaria vesca L. x viridis Duch.
Fragaria vesca x viridis. Visible light
Visible light
(L37C filter)
Fragaria vesca x viridis. Ultraviolet light
UV light
(Hoya U-360, SB-140)
Nikon D1H, UV-Nikkor 105 mm f/4.5, @800 ISO

Both images © Bjørn Rørslett/NN

It is uncommon for white-flowered species to feature a typical two-zoned UV pattern, but species of Fragaria do exhibit a remnant of the familiar bull's eye pattern. The UV marks often are correlated with the petal veins. The petals don't stand out clearly under UV light because they reflect only moderately in UV. More UV-reflective areas are the bracts and the anthers.

This hybrid is not uncommon with the parents in my region, and interestingly, even the UV pattern is intermediate to its parents.

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Last Update 20 August, 2004