It is described here as an achene because it is indehiscent, as opposed to a typical, dehiscent follicle.

它已经把这里描述为一瘦果，因为它不裂，与一典型，开裂的蓇葖果相反。

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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)。

youdao

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） 。

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