This flower looks suspiciously like Robin's devil fruit, the Hana Hana Nomi (flower flower fruit). : r/OnePiece

Komei, One Piece Wiki

What would happen to Brook if his devil fruit was negated by

Flower Flower Fruit - Hana Hana No Mi - One Piece Devil Fruit

Tony Tony Chopper/History/During and After the Timeskip

Bartholomew Kuma One Piece+BreezeWiki

Bartholomew Kuma One Piece+BreezeWiki

Nami/History, One Piece Wiki

In One Piece, what are the different devil fruits and what

Nami/Personality and Relationships, One Piece Wiki