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hogweed Definition

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hogweed
noun(hog-weed)
giant hogweed
hogweed
noun(hog-weed)
the Eurasian cow parsnip (Heracleum sphondylium)
hogweed
noun(hog-weed)
a tall perennial herb (Heracleum mantegazzianum) of the carrot family native to the Caucasus that has a hollow, usually purple-blotched stem which can reach a height of 15 to 20 feet (4.6 to 6.1 meters) and white-flowered umbels arranged in flat-topped clusters usually over 2.5 feet (0.8 meters) in diameter and that produces an irritating sap that causes severe rashes and blistering—called also cartwheel flower, giant cow parsley, giant cow parsnip, hogsbane

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