The seeds occur in pairs, with each seed enclosed in a case that's attached to a flat papery wing. This wing has a slight pitch, like a propeller blade, which makes it spin when it falls and allows it to be carried on the wind. This gives it its other name of a helicopter.
|#100DaysOfNature Day 58 - Maple keys|
A bumper year for maple keys means I'll be pulling up seedlings all spring again!