Ultraviolet Flowers

Berteroa incana (L.)DC.
Berteroa incana. Visible light
Visible light
(L37C filter)
Berteroa incana. Ultraviolet light
UV light
(FF + CC20C, SB-140)
Nikon D1H, UV-Nikkor 105 mm f/4.5, @800 ISO

Both images © Bjørn Rørslett/NN

A white-flowered cruciferous species, with negligible UV marking. However, this species is remarkable by exhibiting strong UV fluorescence of the buds, tips of the pistil and at base of the stigma. I hadn't noticed the fluorescence before the pictures were taken, but verified this afterwards using a UV blacklight.

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Last Update 1 October, 2002