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Giant hogweed (Heracleum mantegazzianum), also known as Giant cow parsnip is a perennial plant and a member of the carrot family. It is a garden ornamental from southwest Asia that is naturalizing in North America and becoming more common in southern and central Ontario.
Jul 16, 2018 · Giant hogweed is an enormous invasive plant whose sap can cause painful burns and scarring. It's found in New England, the Mid-Atlantic, and Northwest regions of the country.
From late spring to mid-summer, giant hogweed produces a large upside-down umbrella-shaped head, up to 80 cm across, with clusters of tiny white flowers. Giant hogweed has a phototoxic sap that, when exposed to light, can cause severe burns on human skin.
Heracleum mantegazzianum, commonly known as giant hogweed, is a monocarpic perennial herbaceous plant in the carrot family Apiaceae. H. mantegazzianum is also known as cartwheel-flower, giant cow parsley, giant cow parsnip, or hogsbane.
Jul 18, 2023 · Heracleum mantegazzianum, commonly known as giant hogweed, is an invasive species that is considered one of Canada’s most dangerous plants, according to the Nature Conservancy of Canada.
Apr 5, 2024 · Giant hogweed (Heracleum mantegazzianum) also known as giant cow parsley, hogsbane, or cartwheel-flower, is a plant in the carrot family. People who touch its sap may develop giant hogweed burns, which can cause skin-related symptoms like inflammation and severe redness.
Jun 29, 2022 · Common names: giant hogweed, giant cow parsnip, cartwheel plant, the Hog. Scientific name: Heracleum mantegazzianum. Family: Apiaceae. Habitat: derelict gardens, neglected urban places and waste ground, on rubbish tips, roadsides and by streams and rivers. Flowering season: June and July.
Giant hogweed is an invasive and poisonous exotic plant. It is a health and environmental risk. In humans, contact with giant hogweed sap, together with exposure to light (natural or artificial ultraviolet rays), causes skin lesions similar to burns.
Giant hogweed (Heracleum mantegazzianum) is arguably the most dangerous invasive plant in New York State, as a a significant threat to both human and environmental health. Exposure to the sap can cause serious burns for humans and livestock, and giant hogweed also has the capacity to invade natural and disturbed habitats.
Giant hogweed is an extremely invasive species that originated from Asia and Eastern Europe. It is a perennial and a member of the carrot and parsley family. Giant hogweed can pose a serious health hazard for humans.
