Ultraviolet nectar guides steer pollinators to flower rewards
Many petals look plain to human eyes yet carry ultraviolet patterns — bull’s-eyes, runways, and arrows — that bees and other insects see as bright maps to nectar and pollen.
Those floral guides evolved with pollinator vision, concentrating visits on the reproductive parts so plants waste less sugar and pollen. What seems a solid color to us is a runway in insect light.
Pollination is graphic design written in pigment. Flowers show biodiversity partnerships as visible architecture: the plant paints the path; the visitor follows the UV ink.
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