Assertion: carpel's stigma | /r/CapableOf | play active role
Facets:
value: in some self-incompatibility reactions
type: OTHER
value: in pollen discrimination
type: OTHER
Source sentences:
text: Stigma can play an active role in pollen discrimination and some self-incompatibility reactions, that reject pollen from the same or genetically similar plants, involve interaction between the stigma and the surface of the pollen grain.