V2EX pinnatifid

Pinnatifid

Definition 定义

(植物学,形容词)羽状浅裂的:指叶片沿中脉两侧呈羽状分裂成许多裂片,但裂缝未切到中脉(与“深裂到中脉”不同)。

Pronunciation 发音

/pntfd/

Examples 例句

The fern has pinnatifid leaves.
这株蕨类有羽状浅裂的叶子。

In spring, the plant produces a rosette of pinnatifid foliage, with lobes arranged neatly along the central vein.
春天,这种植物会长出莲座状的羽状浅裂叶,裂片沿中脉两侧整齐排列。

Etymology 词源

来自拉丁语构词:pinna(“羽毛、翼、鳍;引申为羽状结构”)+ -fid(来自 findere,“劈开、裂开”)。字面意思可理解为“像羽毛一样分裂的(叶)”。

Related Words 相关词

Literary Works 文学/著作例证

  • Gray’s Manual of Botany(《格雷植物志/北美植物分类手册》)
  • Flora of North America(《北美植物志》)
  • A Glossary of Botanical Terms(多种版本的《植物学术语词汇表》与相关植物分类学专著中常见该词)
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