珠柄
珠柄(拉丁语:,意思就是「小柄」)是植物学上与珠被、珠心及合点(Chalaza)共同组成胚珠的外侧组织,将种子与胎座链接起来[1]。

卷茎蓼(Fallopia convolvulus)的子房剖面图:fu所标示的就是其珠柄。
参考文献
- Bresinsky, Andreas; Körner, Christian; Kadereit, Joachim W.; Neuhaus, Gunther; Sonnewald, Uwe. . [植物学教科书]. Heidelberg. 2008 (德语).
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