V2EX petiolate leaf

Petiolate Leaf

释义 Definition

有叶柄的叶(具叶柄叶):指叶片通过叶柄(petiole)与茎相连的叶,而不是直接贴在茎上(无柄叶 sessile leaf)。该词组主要用于植物学描述。

发音 Pronunciation (IPA)

/ptlet lif/

例句 Examples

The mint has a petiolate leaf.
薄荷长着有叶柄的叶。

In the field guide, the species is identified by its petiolate leaf, serrated margin, and opposite arrangement.
在野外图鉴中,这个物种通过其有叶柄的叶、锯齿状叶缘以及对生叶序来辨认。

词源 Etymology

petiolate 来自 petiole(叶柄) 加形容词后缀 -ate,而 petiole 源自拉丁语 petiolus(“小脚/小柄”之意),在植物学中引申为“连接叶片与茎的柄状结构”。leaf 则是日耳曼语源的常用词,意为“叶子”。

相关词 Related Words

文学与典籍 Literary Works

  • 《Gray’s Manual of Botany》(格雷植物志):在形态学检索与物种描述中常用 petiolate leaf/leaves 一类表述。
  • 《Flora of North America》(北美植物志):物种条目描述叶部特征时频繁出现该术语。
  • Charles Darwin, The Power of Movement in Plants(《植物运动的力量》):讨论叶与叶柄(petiole)相关运动与结构时常见 petiolate 等形态词汇。
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