Mangelwurzel

The mangelwurzel (from ) is also called 'mangel wurzel', 'mangold wurzel', 'mangold', 'mangel beet', 'field beet', and 'fodder beet'. It is a cultivated root vegetable.
It is a variety of "Beta vulgaris", the same species that contains the red beet (beetroot) and sugar beet varieties. The cultivar group is called the Crassa Group. Their large white, yellow or orange-yellow swollen roots were developed in the 18th century as a fodder crop for feeding livestock.