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Giant hogweed was still available for sale in Canadian nurseries as late as 2005. On the west coast of North America, H. mantegazzianum appeared in Oregon, Washington, and southwestern Canada, but it is not clear how the species found its way into this region. The first reports of giant hogweed in British Columbia were published in the 1930s.
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.
Giant hogweed sap can make skin extremely sensitive to the sun, causing third-degree burns in a short period of time. This can blind people if it gets in an eye. If you encounter the plant, don't ...
Heracleum mantegazzianum, giant hogweed, native to the western Caucasus region of Eurasia, a serious invasive species in many areas of Europe and North America; Heracleum sosnowskyi, Sosnowsky's hogweed, native to the eastern Caucasus, a common weed throughout Europe and Asia; Heracleum persicum, Persian hogweed, native to Iran, Iraq, and Turkey
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Heracleum maximum is commonly confused with Heracleum mantegazzianum (giant hogweed), [11] a much larger plant that typically has purplish spots on the stems, as well as more sharply serrated leaves. [12] Other tall invasive Heracleum species include H. mantegazzianum, H. sosnowskyi, and H. persicum.
Map of expansion of hogweed Heracleum mantegazzianum in Europe. Created by . Language-independent. SVG format. Date: 25 June 2006: Source: Image:Europe biogeography blank.svg: Author: Petr K: Permission (Reusing this file) I, the author release this image under Creative Commons Attribution ShareAlike.
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