Assertion: angiosperm's fertilization | /r/HasProperty | phenomenon
Facets:
Source sentences:
text: Double fertilization is a phenomenon unique to angiosperms.
text: Seedless bananas and grapes are triploids, and seedlessness results from the abortion of the embryonic plant that is produced by fertilization, a phenomenon known as stenospermocarpy, which requires normal pollination and fertilization.