凤眼莲的胚乳发育属沼生目型，授粉后约19～21小时，另一精于与次生核融合形成游离核；
Solms conforms to the Helobial type , about 19 ~ 20 hours after pollination , the other sperm nucleus entered the secondary nucleus , and the free nuclei period began ;
凤眼莲属