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Edible parts - Leaves, Herb, Spice, Vegetable, Seeds - oil

A cabbage family herb. It is an annual plant about 60 cm high. It has narrowly lobed leaves. The leaves near the base have long stalks and the leaves higher on the plant do not have stalks. The flowers are small and white. The fruit is a pod. These are oval and deeply notched. The seed pods are reddish brown. The plant develops tuberous roots and grow for a second season. There are some named cultivated varieties.