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Scientists discover why buttercups reflect yellow on chins
Date:12/13/2011

nsitive in the UV region, this provides insight into how the buttercup uses its unique appearance to attract insects.

Dr Silvia Vignolini, from the University of Cambridge's Department of Physics (Cavendish Laboratory), explained the importance of the buttercup's unique appearance: "Although many different factors, such as scent and temperature, influence the relationships between pollinators and flowers, the visual appearance of flowers is one of the most important factors in this communication. Flowers develop brilliant colour, or additional cues, such as glossiness - in the case of the buttercup - that contribute to make the optical response of the flower unique. Moreover, the glossiness might also mimic the presence of nectar droplets on the petals, making them that much more attractive."

Dr Beverley Glover, Department of Plant Sciences, said: "This phenomenon has intrigued scientists and laymen alike for centuries. Our research provides exciting insight into not only a children's game but also into the lengths to which flowers will go to attract pollinators."

Professor Ulli Steiner, from the Nanophotonics Centre at the Cavendish Laboratory, the University of Cambridge's Department of Physics, said: "It is fun to revisit a problem that is more than one century old and, using modern methods, discover something new. The strong collaboration between Physics and the Plant Sciences has enabled this."


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Contact: Genevieve Maul
Genevieve.maul@admin.cam.ac.uk
44-122-376-5542
University of Cambridge
Source:Eurekalert

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