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This familiar vegetable is eaten primarily for its fleshy taproot, which has a peppery flavor. The foliage can be eaten as well, but it is somewhat coarse. Many different cultivars have been developed, and escaped plants may vary somewhat in the appearance of their foliage and taproots. Another species, Raphanus raphanistrum (Wild Radish), has a similar appearance to Garden Radish. However, Wild Radish has yellow flowers and its siliques have 4-10 seeds. The siliques of Wild Radish become constricted between the seeds with maturity, and they tend to be a little longer and more slender than the siliques of Garden Radish.