subject![]() |
relation![]() |
object![]() |
---|---|---|
pollen wall |
![]() |
external encapsulating structure (GO:0030312) |
subject![]() |
relation![]() |
object![]() |
---|---|---|
intine (GO:0043678) |
![]() |
pollen wall |
exine (GO:0043668) |
![]() |
pollen wall |
pollen aperture (GO:0062074) |
![]() |
pollen wall |