V2EX pericarp

Pericarp

Definition / 定义

(植物学)果皮:由子房壁发育而成、包裹种子的果实外层组织,通常可分为外果皮(exocarp)、中果皮(mesocarp)和内果皮(endocarp)。在很多果实中,它决定了果实的“皮、肉、核壳”等结构。

Pronunciation / 发音

/perkrp/

Examples / 例句

The pericarp protects the seeds as the fruit develops.
果皮在果实发育过程中保护种子。

In a peach, the fleshy pericarp surrounds the hard stone that encloses the seed.
在桃子里,肉质的果皮包围着坚硬的核,而核内部包着种子。

Etymology / 词源

来自新拉丁语 pericarpium,进一步源自希腊语 **peri-**(“周围、环绕”)+ karpos(“果实”)。字面意思是“围绕果实的部分”,用来指果实包裹种子的外层组织。

Related Words / 相关词

Literary Works / 文学作品

  • Darwin, On the Origin of Species(《物种起源》):在讨论植物形态与变异时会涉及果实结构相关术语(包括果皮等)。
  • Raven, Evert & Eichhorn, Biology of Plants(《植物生物学》):植物学经典教材,系统讲解果实与果皮(pericarp)的结构与功能。
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