Arctium lappa, commonly called greater burdock,gobō, edible burdock, lappa, beggar’s buttons, thorny burr, or happy major is a Eurasian species of plants in the sunflower family, cultivated in gardens for its root used as a vegetable. It has become an invasive weed of high-nitrogen soils in North America, Australia, and other regions.
This species is native to the temperate regions of the old world, from Scandinavia to the Mediterranean, and from the British Isles through Russia, and the Middle East to India, China, Taiwan and Japan.
It is naturalized almost everywhere and is usually found in disturbed areas, especially in soil rich in nitrogen.
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