V2EX propagule

Propagule

释义 Definition

繁殖体;繁殖单位:指能从母体分离出来、并能发育成新个体的结构或细胞,如孢子、种子、芽、菌丝碎片、无性繁殖体等,常用于植物学、真菌学与生态学语境。(该词也可更广泛指“传播/扩散用的繁殖材料”。)

发音 Pronunciation

/prpjul/

例句 Examples

A fern reproduces by releasing propagules into the air.
蕨类通过向空气中释放繁殖体来繁殖。

In island ecology, the arrival of even a few viable propagules can determine whether a species successfully colonizes a new habitat.
在岛屿生态学中,哪怕只有少量有活性的繁殖体到达,也可能决定一个物种能否成功在新栖息地定殖。

词源 Etymology

来自拉丁语 propāgulum(“用来繁殖、延续的东西”),与 propagate(繁殖;传播)同源;词根含“扩展、延伸、使后代延续”的意义,因此在生物学中专指“能产生新个体的传播单位”。

相关词 Related Words

文学作品 Literary Works

  • Charles Darwin,《On the Origin of Species》(《物种起源》):在讨论生物扩散与定殖时涉及“繁殖单位/传播体”的概念(具体用词可能因版本与译本而异)。
  • A. J. Cain & G. M. White 等进化与生态学经典论文/著作:在讨论物种扩散、岛屿生物地理与定殖机制时常使用 propagule(更偏学术经典文本而非小说)。
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