Golden Sunseeds are fruits found in Pikmin 3's challenge mode. They are a gold clad variety of Sunseed Berries. When taken back to the ship, it is worth 200 Pokos towards your score.
Trivia
- In the E3 2012 demo of Pikmin 3, Golden Sunseeds were referred to as Combustion Berries, a treasure from Pikmin 2.