V2EX petiolule

Petiolule

释义 Definition

(植物学)小叶柄:复叶中连接小叶(leaflet)与叶轴(rachis)或总叶柄的那一小段柄状结构,可理解为“小叶自己的叶柄”。(在其他语境较少用;主要为植物形态学术语。)

发音 Pronunciation (IPA)

/ptlul/

例句 Examples

The leaflets are attached by short petiolules.
小叶通过短小的小叶柄连接在叶轴上。

In some legumes, the length of the petiolule can help distinguish similar species.
在一些豆科植物中,小叶柄的长度可用于区分外形相近的物种。

词源 Etymology

petiolulepetiole(叶柄)加上表示“小、较小”的后缀 -ule 构成,字面意思就是“小叶柄/小小的叶柄”。该词常见于植物形态描述与分类检索(植物志、鉴定手册)中。

相关词 Related Words

文学与典籍 Literary Works

  • Gray’s Manual of Botany(《格雷植物志手册》;形态描述中常出现此类术语)
  • Flora of North America(《北美植物志》;物种鉴定与形态条目中常用)
  • Mabberley’s The Plant-Book(《植物书》;植物学参考书与术语使用场景常见)
  • Hickey & King, The Cambridge Illustrated Glossary of Botanical Terms(《剑桥植物学术语图解词汇》;作为术语条目出现)
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