V2EX sepal

Sepal

释义 Definition

Sepal(萼片)是植物花朵最外层的一圈叶状结构,通常为绿色,包裹并保护未开放的花蕾。所有萼片合称为花萼(calyx)。

发音 Pronunciation

/spl/

例句 Examples

The sepals of this flower are bright green.
这朵花的萼片是亮绿色的。

In some species, the sepals are so vividly colored that they are often mistaken for petals by casual observers.
在某些物种中,萼片颜色非常鲜艳,常常被不细心的观察者误认为是花瓣。

词源 Etymology

sepal 一词最早出现于19世纪初,由法国植物学家 Necker de Saussure 创造。该词源自新拉丁语 sepalum,是将拉丁语 separare(分离)与 petalum(花瓣)混合而成的构词,意在表示"与花瓣分离的部分"。这一命名反映了萼片在植物形态学中与花瓣相对独立的结构地位。

相关词汇 Related Words

文学作品引用 Literary References

  • 在达尔文的《On the Various Contrivances by Which British and Foreign Orchids Are Fertilised by Insects》中,sepal 一词被频繁使用,详细描述兰花萼片在吸引昆虫传粉中的作用。
  • 歌德在其植物学著作《The Metamorphosis of Plants》中探讨了萼片与叶片之间的形态学关系,认为花的各部分(包括萼片)本质上是叶的变态。
  • 在西尔维娅普拉斯(Sylvia Plath)的诗歌中,花卉意象时有出现,萼片等植物结构被用作隐喻性的文学元素。
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