V2EX palea

Palea

释义 Definition

palea(名词)在植物学中指颖片/内稃:禾本科等植物小穗中、紧贴花(或籽粒)的薄片状苞片,常与 lemma(外稃)相对出现。该词在普通英语中较少见,主要用于植物学与农学语境。

发音 Pronunciation

/pli/

例句 Examples

The botanist examined the palea under a microscope.
植物学家在显微镜下观察内稃。

In many grasses, the floret is enclosed by a lemma and a palea, which help protect the developing grain.
在许多禾草中,小花被外稃和内稃包裹,它们有助于保护正在发育的籽粒。

词源 Etymology

来自拉丁语 palea,意为“糠、谷壳”。因此在植物学里引申为“像糠壳一样的薄片结构”,用于指禾本科花部的特定苞片(内稃)。

相关词 Related Words

文学与典籍 Literary Works

  • Asa Gray Gray’s Manual of Botany(植物分类与形态学语境中常见,描述禾本科小穗结构时使用 palea
  • Charles E. Bessey Essentials of Botany(基础植物学教材中用于讲解禾本科花部:lemma 与 palea)
  • E. J. H. Corner The Life of Plants(涉及植物形态与结构术语时可见该词,尤其在草本植物结构讨论中)
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