Raphanus raphanistrum subsp. raphanistrum

(a) Subsp. raphanistrum View in CoL ( R. raphanistrum subsp. segetum Clavaud ): Annual or biennial; lateral lobes of basal and lower cauline leaves distant. Petals 12-20 mm, usually white or yellow, usually dark-veined. Siliqua 30-90 x 3-4 mm, lomentaceous at least above, with 3-8 segments separated by irregular, long, rather shallow constrictions; segments usually longer than wide, strongly veined; beak 10-30 mm. 2« = 18. A weed of cultivated fields. Throughout Europe, but probably not native in N. Europe and becoming rare or absent in the extreme north.

The petals are usually yellow in the northern, and white in the southern part of the range.