subject | relation | object |
---|---|---|
pollen exine formation | is_a | pollen wall assembly (GO:0010208) |
pollen exine formation | RO:0002588 | exine (GO:0043668) |
subject | relation | object |
---|---|---|
sporopollenin biosynthetic process (GO:0080110) | BFO:0000050 | pollen exine formation |