Basal leaves lyrate-pinnatisect, upper leaves reducing.
Inflorescence paniculate, without bracts. Sepals erect, lateral ones slightly saccate. Petals long-clawed, usually with dark veins.
Siliqua indehiscent and either inflated or constricted between seeds and breaking into 1-seeded units; beak seedless; valves ribbed.
| Key to the species | |
1 | Fruit markedly constricted between seeds; valves somewhat horny; taproot wiry to stout but not fleshy | Raphanus raphanistrum |
| Fruit scarcely constricted between seeds; inflated at maturity, valves spongy; taproot fleshy and edible | Raphanus sativus |