V2EX achene

Achene

释义 Definition

瘦果:一种不开裂的干果,通常只含一粒种子;成熟时果皮(果壁)与种皮不融合,种子在果内相对“松散”。常见于菊科(如向日葵)等植物。(该词在其他语境中使用较少,主要见于植物学。)

发音 Pronunciation (IPA)

/kin/

例句 Examples

A sunflower “seed” is actually an achene.
向日葵我们说的“瓜子”其实是瘦果

In many members of the Asteraceae, the fruit is an achene adapted for dispersal by wind or animals.
在许多菊科植物中,果实是瘦果,并适应借助风或动物进行传播。

词源 Etymology

achene 来自希腊语 a-(“不、无”)+ chainein(“张开、裂开”)的概念,强调这种果实成熟后不裂开(即“不会张开的果实”)。该词作为植物学术语在近代植物分类学与形态学中被固定使用。

相关词 Related Words

文学与名著用例 Notable Works

  • Gray’s Manual of Botany(《格雷植物志手册》):在果实类型的形态描述与检索表中使用 achene
  • Flora of North America(《北美植物志》):大量物种条目在“果实”特征处标注 achene
  • Botany: An Introduction to Plant Biology(《植物学:植物生物学导论》):讲解被子植物果实类型时将 achene 作为典型例子之一。
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