Assertion: pistil's ovule | /r/MadeOf | egg
Facets:
Source sentences:
text: Fertilization occurs when pollen grains (male gametophytes) are carried by the wind to the open end of an ovule, which contains the eggs, or female gametophyte.
text: Each ovule may contain several eggs, all of which may be fertilized and start to develop in a process known as polyembryony.