Samara A nut or achene whose pericarp is extended to form a wing for wind dispersal, e.g. ash (Fraxinus excelsior).

• 翅果：指坚果或瘦果中果皮延伸成翼状，以利于风媒传播的果实类型。如白蜡树的果实（欧洲白蜡树）。