V2EX cyme

Cyme

释义 Definition

cyme(植物学):一种聚伞花序(有限花序),其特点是顶端花先开,随后由其下方或侧方分枝继续开花;与raceme(总状花序)等“下部先开、向上依次开放”的花序相对。(该词也可泛指“聚伞花序”这一类型的花序结构。)

发音 Pronunciation (IPA)

/sam/

例句 Examples

The jasmine has small flowers arranged in a cyme.
茉莉的许多小花以聚伞花序的方式排列。

In some plant families, identifying whether the inflorescence is a cyme or a raceme can help narrow down the species.
在某些植物科中,判断花序是聚伞花序还是总状花序,有助于进一步缩小物种鉴定范围。

词源 Etymology

cyme 来自拉丁语 cyma(意为“嫩芽、花序”),而拉丁语又源于希腊语 kyma(原意与“隆起、波浪般的形态”相关)。在植物学中,这个词被用来命名一种“花序分枝呈层层展开、但以顶端花先开为特征”的结构类型。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Gray’s Manual of Botany(格雷《植物学手册》)用于描述花序类型(含 cyme 等术语)。
  • Flora of North America(《北美植物志》)在物种形态描述中常用 cyme 指明花序结构。
  • Flora Britannica(《不列颠植物志》)在植物形态学条目里会出现 cyme 等花序术语。
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