One of the earliest examples of a winged seed found in a mine in China

https://phys.org/news/2024-10-earliest-examples-winged-seed-china.html

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  1. Many plants have what are known as winged seeds, which have features shaped to take advantage of wind or the air—such shapes extend dispersal distances of seeds, allowing less competition between them. Common structures in such seeds allow for dropping through the air like a parachute or a helicopter in the wind.