R. Raphanistrum: annual; stem erect or spreading, 1-2 feet high, much branched, with a few stiff hairs at the base; leaves pinnately divided or lobed, the terminal segment large, obovate or oblong, rough with short hairs, the upper ones narrow and entire; flowers white with coloured veins, or lilac; pods beaded, often separating in joints between the seeds, shorter than the very long beak. - Jointed Charlock, a weed of cultivation. Fl. June, Julv.

Var. maritimus: biennial; leaves more divided, with overlapping lobes; flowers yellow; pods longer in proportion to the beak. - Sea-coasts, rare.