Ultraviolet Flowers

Angelica sylvestris L.
Apiaceae

Angelica sylvestris. Visible light

Visible light

Angelica sylvestris. UV light

UV light
(Hoya U-360, SB-140)

Angelica sylvestis. UV lfluorescence

UV fluorescence
(Sylvania Blacklight, L37C filter on lens)

All images: Nikon D1H @800 ISO, UV-Nikkor 105 mm f/4.5

© Bjørn Rørslett/NN

Wood Angelica flashes its white flowers in numerous umbels. There is a low amount of UV reflected from the petals, and even less from the central area of hte flower. Still, one would not call this a typical bull's eye pattern.

However, the nectar glands put on a beautiful show of UV fluorescence under UV illumination.

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Last Update 14 June, 2003