Assertion: angiosperm's pollen | /r/CapableOf | enter a pollen chamber
Facets:
value: close to the nucellus
type: LOCATION
Source sentences:
text: The pollen enters a pollen chamber close to the nucellus, and there it may wait for a year before it germinates and forms a pollen tube that grows through the wall of the megasporangium (=nucellus) where fertilisation takes place.