V2EX aril

Aril

释义 Definition

aril(植物学)指种阜/假种皮:包在种子外面、通常由种柄或珠柄附近组织发育而成的肉质或膜质附属物,常用于吸引动物取食并传播种子(如肉豆蔻的红色网状“肉衣”)。

发音 Pronunciation (IPA)

/rl/

例句 Examples

An aril surrounds the seed.
种阜包裹着种子。

In some plants, the brightly colored aril attracts birds, which eat the fruit and disperse the seeds over long distances.
在一些植物中,颜色鲜艳的种阜会吸引鸟类;鸟吃下果实后,能把种子传播到很远的地方。

词源 Etymology

来自拉丁语 arillus,意为“围绕种子的肉质部分/小附属物”。该词进入现代植物学术语后,专指“附着在种子外、常呈肉质的结构”,强调其形态位置传播功能

相关词 Related Words

文学与著作 Literary Works

  • Gray’s Manual of Botany(常在种子与果实形态学条目中使用 aril
  • Flora of North America(植物分类与形态描述中常见该词)
  • Michael G. Simpson, Plant Systematics(种子附属结构章节常提到 aril
  • James D. Mauseth, Botany: An Introduction to Plant Biology(讲解种子与传播机制时使用 aril
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