From A Wiki of Ice and Fire
The smokeberry is a species of plant that grows on a vine and is found in Westeros. The oak heart tree in the Red Keep's godswood in King's Landing is overgrown with smokeberry vines. Smokeberries can be used to make brown wine.
- ↑ A Game of Thrones, Chapter 25, Eddard V.
- ↑ A Game of Thrones, Chapter 54, Daenerys VI.
- ↑ A Dance with Dragons, Chapter 5, Tyrion II.