Heracleum sphondylium, commonly known as hogweed or common hogweed, is a herbaceous perennial plant in the carrot family Apiaceae, which includes fennel, cow parsley, ground elder and giant hogweed. It is native to most of Europe, western Asia and northern Africa, but is introduced in North America and elsewhere.

2018年7月16日 · What's 14 feet tall, green, hairy, and covered in toxic sap? It may sound like a monster, but this scary beast is actually giant hogweed, a towering, invasive plant whose sap can cause painful...

Heracleum mantegazzianum, commonly known as giant hogweed, [2][3][4][5] is a monocarpic perennial herbaceous plant in the carrot family Apiaceae. H. mantegazzianum is also known as cartwheel-flower, [3][4][5] giant cow parsley, [6] giant cow parsnip, [7] or hogsbane.

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.

2024年8月22日 · Giant hogweed is a poisonous invasive species that was intentionally introduced to the U.S. for decorative purposes. These days, it’s considered a public health hazard.

Giant hogweed (Heracleum mantegazzianum) is a VERY LARGE, invasive plant that can cause painful burns and scarring. Brushing against or breaking the plant releases sap that, combined with sunlight and moisture, can cause a severe burn within 24 to 48 hours.

2023年9月28日 · Native to the Caucasus Mountains in Eurasia, this plant with innocent-looking white flowers has been reported in over a dozen in recent years, including Pennsylvania, Maine, and Washington.

2025年1月11日 · hogweed, either of two plant species of the cow parsnip genus (Heracleum) in the parsley family (Apiaceae). Both species are herbaceous biennials or perennials and have large compound leaves. The small five-petaled flowers are characteristically arranged in large dense clusters known as umbels.

Giant Hogweed: Identification Information. Giant Hogweed, Heracleum mantegazzianum is found sporadically throughout Maine, but is not a common plant. Giant hogweed is noteworthy because its sap causes severe skin irritation. When susceptible people come in contact with the sap and the skin is exposed to sunlight painful blisters develop.

Species Profile: Giant Hogweed. Produces toxic sap that can cause skin irritation and blindness (Gucker 2009)