Take a look at this. Did you know this is a Radish?
Black radishes are encased in a black or dull brown skin. Black radish is significantly larger than traditional spring radishes, growing on average three to four inches in diameter or length. Depending upon variety the Black radish can be round or cylindrical and elongated. Its flesh is crisp, white and slightly bitter and offers a hot spicy bite. The skin of the Black radish is particularly piquant, for a milder radish flavor peel Black radishes prior to serving.