珠柄拉丁語Funicule,意思就是「小柄」)是植物學上與珠被珠心合點(Chalaza)共同組成胚珠的外側組織,將種子胎座連結起來[1]

卷莖蓼Fallopia convolvulus)的子房剖面圖:fu所標示的就是其珠柄。

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