Brassicaceae: an annual to 50cm, found in arable fields and on waste ground. The flowers are from 4-6mm across with 4 white petals, blooming from May-September. The seed pods are oval flattened pods. The leaves are narrow, arrow-shaped leaves clasping the upright stem. Widespread and common throughout Britain. Native to Europe, including Britain, from Norway, south and east to North Africa, Western Asia, Siberia and Japan.
The young leaves can be eaten raw or cooked, but they should always be harvested before the plant comes into flower or they will be very bitter. The leaf very rich in protein.
The entire plant has antidote, anti-inflammatory, blood tonic, depurative, diaphoretic, expectorant, febrifuge and hepatic properties.
Sow in situ on bare soil from March-April. An easily grown plant, it succeeds in most soils. Dislikes shade.