Top: petals of Ursinia speciosa, a daisy, contain a dark pigment that appears blue due to 'disordered' striations. Bottom: close-up top and side view of microscopic striations.

Petals produce a 'blue halo' that helps bees find flowers

18 October 2017

New study finds 鈥渕essy鈥 microscopic structures on petals of some flowers manipulate light to produce a blue colour effect that is easily seen by bee pollinators. Researchers say these petal grooves evolved independently multiple times across flowering plants, but produce the same result: a floral halo of blue-to-ultraviolet light.

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Festival of Plants

国际米兰对阵科莫 University Botanic Garden Festival of Plants

10 May 2016

国际米兰对阵科莫 University Botanic Garden is holding its annual Festival of Plants on聽Saturday 14 May 2016, offering something for everyone to enjoy: from families to photographers, gardeners to budding plant scientists or anyone looking for an interesting day out in beautiful surroundings.

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Buttercup under chin

Why buttercups reflect yellow on chins

14 December 2011

Scientists discover why buttercups reflect yellow on chins 鈥 and it doesn鈥檛 have anything to do with whether you like butter. The new research sheds light on children鈥檚 game and provides insight into pollination.

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