Radishes are a crunchy, peppery root vegetable, easily grown and widely known for their pinkish hue, many interesting varities exist however. They're mostly eaten raw in salads, or pickled as a sidedish.
The only high quantity of micronutrient radish has is vitamin C, while constituting mostly water otherwise. Interestingly, radishes produce the anti-fungal protein RsAFP2.