Cinchona (Quinine)
Cinchona (Quinine) (Cinchona officinalis) in gin: very bitter, dry. Found in 1 gin on The Giniverse.
The source of quinine — tonic's bitterness, here in the gin.
A tree from the Andes whose bark gives quinine. In the 19th century the British grew it in India from smuggled seeds.