V2EX umbel

Umbel

释义 Definition

(植物学)伞形花序:一种花序形态,多朵小花的花梗几乎从同一点向外放射展开,像伞骨一样常见于芹菜科(如胡萝卜、欧芹、莳萝等)。也可泛指这种“伞状”的花簇。(另有较少见的其他用法,此处以常见植物学义为主。)

发音 Pronunciation (IPA)

/mbl/

例句 Examples

The dill has small yellow flowers in an umbel.
莳萝开着成伞形花序的小黄花。

In early summer, the plant sends up tall stems, each ending in a broad white umbel that attracts many insects.
初夏时,这种植物会抽出高高的花茎,每根顶端都有宽大的白色伞形花序,吸引许多昆虫。

词源 Etymology

umbel 来自拉丁语 umbella(“小伞、阳伞”),与 umbra(“阴影”)同源,强调“像伞一样张开、能遮蔽”的形状;后被植物学借用来描述这种放射状花序结构。

相关词 Related Words

文学与著名作品中的用例 Literary Works

  • Gray’s Manual of Botany(Asa Gray):在分类与形态描述中常用 umbel 指伞形花序。
  • Flora Britannica(Richard Mabey):描述英国野生植物形态时会使用 umbel
  • On the Origin of Species(Charles Darwin):在讨论植物结构与传粉相关现象的语境中可能出现 umbel/umbellifer 等术语。
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