V2EX corm

Corm

定义 Definition

corm(植物学)指球茎:一种短而膨大的地下茎,用来储存养分并帮助植物越冬或度过旱季;外面常有干燥的膜状叶基包裹。常见于番红花(crocus)剑兰(gladiolus)等植物。(另有较少见的含义:某些棕榈树的“树干状”部分。)

发音 Pronunciation

/krm/

例句 Examples

Crocuses grow from corms.
番红花从球茎生长出来。

After the leaves die back, the plant stores energy in the corm, which can be lifted and replanted in spring.
叶子枯萎后,植物会把能量储存在球茎里;球茎可以挖起保存,并在春天重新种下。

词源 Etymology

corm 源自拉丁语 cormus/cormos,意为“树干、主干”,经由希腊语 kormós(“树干、木段”)传入英语。后来在植物学中引申为“像短粗主干一样的地下膨大茎”,用于储藏养分。

相关词 Related Words

文学与著作 Notable Works

  • Flora of North America(《北美植物志》)在多种植物条目中用 corm 描述地下茎结构
  • Gray’s Manual of Botany(《格雷植物志手册》)形态学与分类描述中常见 corm
  • The New Royal Horticultural Society Dictionary of Gardening(《英国皇家园艺学会园艺词典》)园艺与繁殖章节解释 corm 与相关术语
  • Botany: An Introduction to Plant Biology(《植物学:植物生物学导论》)植物器官与贮藏结构部分使用 corm
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