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Spikelet

释义 Definition

spikelet（植物学）指小穗：禾本科等植物花序的基本单位，通常由小轴和若干小花（florets）以及外面的颖片（glumes）等结构组成。

发音 Pronunciation

/spaklt/

例句 Examples

The botanist counted spikelets on the grass stem.
植物学家数了数草茎上的小穗。

In many cereals, each spikelet contains several florets protected by glumes.
在许多谷类作物中，每个小穗里有数朵小花，并由颖片保护。

词源 Etymology

该词由 spike（穗状花序、穗）+ 缩小后缀 -let（“小的……”）构成，字面意思是“小穗”。作为植物学术语，用来更精确地区分禾本科花序的结构层级。

相关词 Related Words

文献与作品 Literary Works

Flora of China（《中国植物志》英文版；禾本科条目中常见该术语）
Gray’s Manual of Botany（北美植物学经典手册；语汇与检索中使用“spikelet”）
Plant Systematics: A Phylogenetic Approach（植物系统学教材；讲解禾本科形态与分类时出现）

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