The seeds of maples beginning to ripen. These were from two adjacent trees in Brueton Park, Solihull. The reddish tint to the wings of the tree below is a give-away of an ornamental variety. Given the location, the other is probably also ornamental.
Has a surprising number of culinary uses considering the small size and the delicacy of the individual flowers, and the potential toxicity of other parts of the plant including stalks and leaves.