Ultraviolet Flowers

Sonchus arvensis L.
Sonchus arvensis. Visible light
Visible light
(L37C filter)
Sonchus arvensis. UV light
UV light
(FF , SB-140)
Both images: Nikon D1H , UV-Nikkor 105 mm f/4.5 @800 ISO

© Bjørn Rørslett/NN

A large-flowered composite species with deep yellow-coloured floral heads and a very prominent UV pattern. This species thrives in maritime habitats besides occuring as an agricultural weed. It is frequently visited by bumblebees.

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Last Update 1 October, 2002