A fourth, not-so-innocuous, invasive giant-hogweed imposter found throughout North America is wild pa… Habitat Common Name: Giant Hogweed Scientific Name: Heracleum mantegazzianum Sommier & Levier Legal Status: Prohibited - Eradicate All above and below ground parts of the plant must be destroyed. Scientific Name. Giant hogweed forms dense patches that out-compete native species and expose soil, making it more vulnerable to erosion. It has a taproot or fibrous roots. Scientific Name: Heracleum mantegazzianum Common Names: Giant hogweed, Giant cow parsnip. Family name: Apiaceae - Carrot family. Because of its impressive size, giant hogweed was brought to Europe and North America as an ornamental plant and garden curiosity. Similar The PRISM system is currently down. Heracleum mantegazzianum. Additional Common Names: Cow Parsnip. Scientific Name: Heracleum mantegazzianum Sommier & Levier (ITIS) Leaves also arise from the large, tuberous swollen resin canals (1mm in diameter). Disturbed habitats, roadsides, vacant lots, and along (Figures Giant hogweed looks similar to many other species in the carrot family (Apiaceae). Interpreting Wetland Status. Hogweed can be found along hedgerows and roadside verges, and on waste ground and rough grassland. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds. Giant Hogweed Scientific Name. giant hogweed. This website was made possible, in part, by a Cooperative Agreement from the United States Department of Agriculture's Animal and Plant Health Inspection Service (APHIS). History and identification Giant Hogweed, the scientific name for which is Heracleum mantegazzianum Sommier & Levier was introduced into ritain in 1893 as an ornamental plant. Giant hogweed grows up to 5m in height . Common Name: giant hogweed Family Name: Apiaceae - Carrot family Native Range: Eurasia NJ Status: Emerging Stage 0 – Absent or very rare. That striking plant can attain a height of 4 metres (about 13 feet) and has a stout red-spotted stem and a white inflorescence up to 0.5 metre in diameter. Scientific Name: Heracleum maximum. Giant Hogweed. smooth and scaly. It spreads by seed and can be transported easily to backyards, ravines, parks, steams, and roadsides. Thank you for your patience as we work on getting it back online. has leaves that look fuzzy on the underside. November 16, 2001. Plants sprout in early spring from forked taproots or seeds. Leaves may reach up to semi-shade conditions. An introduced species, it is an invasive weed of riverbanks, where it prevents native species from growing. Except for its size, the plant can be mistaken for a number of native, noninvasive plants such as cow parsnip (Heracleum lanatum), Angelica (Angelica atropurpurea), and poison hemlock (Conium maculatum). Heracleum mantegazzianum is native to the western Caucasus region of Eurasia. Avoid direct contact with this plant! Massachusetts Introduced Pests Outreach Project is a collaboration between the Massachusetts Dept. The scientific name of giant hogweed is Heracleum mantegazzianum Sommier & Levier (Apiaceae) . United States: giant hogweed (Figure 8), Fruits are dry and elliptical Scientific name: Heracleum mantegazzianum Sommier & Levier. Scientific name: Heracleum sphondylium. Giant hogweed is listed as a Class A Noxious Weed in Washington, meaning its eradication is required; however given giant hogweed’s harmful effects to people, seek assistance from your county noxious weed control board before attempting any eradication efforts. Giant hogweed (H. mantegazzianum) is native to the Caucasus but is considered an invasive species in many areas outside its native range. Help identify giant hogweed plant ( left ) and leaf ( right ): Toxic Cats... Feet tall wide-spreading, umbrella-shaped flower clusters the latest scientific consensus available, and roadsides to severe sunburn and.. 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