Flowers use different strategies to lure pollinators. One of them is the chemical coloring of pigments,
A new optical effect discovered by the authorsis created using a complex pattern of nano-sized combs on the surface of the petals. They refract light and, as a result, colors shimmer beautifully. It's all about the bending of the petal, which sways in the wind and attracts the attention of pollinators.
The same effect can be seen on the surface of CDs or soap bubbles.
In order to understand in more detail how the basis for this type of pollinator attraction is formed, the authors studied the grooves of the petals on hibiscus flowers: they appear during the growth of the petals.
During the experiment, the researchers stretched young hibiscus petals on which scallops began to emerge. This means that it is the bending of the petal that causes this effect.
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