There are no U.S. grade standards for Burdock Root. These instructions have been developed by the Fresh Products Branch to assist officially licensed inspectors in making inspections, writing certificates and to assist in the proper identification of specialty type fruits and vegetables.
Burdock Root (Gobo Root, Lony Root, Long Root) or Great Burdock, as it is sometimes called, is normally a biennial but harvested annually. It has large, broad, cordate (heart shaped leaves and long petioles. It is a native of Europe and Asia and is cultivated in Japan, Hawaii and California. Burdock root is found on the market in two forms; one as young roots with the entire foliage attached or as fully grown roots with detached foliage. Both forms are usually tied in bundles.
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