V2EX bractlet

Bractlet

释义 Definition

bractlet(小苞片):植物学术语,指花或花序中位于苞(bract)之下/旁边、更小的一片苞状叶,常见于花梗附近或小花基部,用于保护花或作为结构特征帮助辨识植物。(也常写作 bracteole。)

发音 Pronunciation

/brktlt/

例句 Examples

The botanist noted a tiny bractlet beneath the flower.
植物学家注意到花下方有一片很小的苞片。

In some species, the shape and hairiness of the bractlet can help distinguish closely related plants during field identification.
在某些物种中,小苞片的形状与是否具毛可帮助在野外辨识外观非常相近的近缘植物。

词源 Etymology

bractletbract(苞、苞片)+ 指小后缀 -let 构成,字面意思就是“较小的苞(片)”。该词多用于植物分类与形态描述中,用来更精细地区分花部结构。

相关词 Related Words

文学与著作 Literary Works

  • Flora of North America(北美植物志;多卷本植物志中常用 bractlet 描述花序与小花结构)
  • Gray’s Manual of Botany(《格雷植物志手册》;经典植物分类与鉴定参考书,常见此类形态学术语)
  • Flora Europaea(《欧洲植物志》;植物分类描述中会使用 bractlet/bracteole 等术语来区分细部特征)
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