Add Yahoo as a preferred source to see more of our stories on Google. Winged seeds called samaras grow on maple trees. These are seeds from the Japanese maple, _Acer palmatum_. AlessandroZocc/iStock ...
When wind or other disturbances detach winged maple seeds called samaras from their parent tree, they spin through the air—and can even spin when it's raining. Impacts by high-speed raindrops only ...