Flowers: small; growing in racemes. Calyx: of four sepals that fall early. Corolla: of four cruciferous petals. Stamens: six, two of which are shorter than the others. Pistil: one. Pods: linear, branch-like. Leaves: those at the base, lyre-shaped; those of the stem, ovate; pinnately-divided; incised. Stem: erect; smooth.
The leaves of the herb of St. Barbara, as this little plant is also called, are used as a salad by many country people. One must have, however, the taste engendered by being brought up on the soil to truly appreciate them as a delicacy.