Giant hogweed is a member of the genus Heracleum — its scientific name is Heracleum mantegazzianum. The entire genus is filled with poisonous plants, but giant hogweed is one of the most potent ...

Giant hogweed (Heracleum mantegazzianum) looks a bit like Queen Anne’s lace on a much bigger scale. The plant, which can grow up to 10-feet tall, is a dangerous invasive species from eastern ...

Giant hogweed (Heracleum mantegazzianum), an invasive plant originally from the Caucasus region, is commonly found in the central and eastern United States as far south as North Carolina.

New mapping of Sites of Scientific Interes across England and Wales has revealed thousands of sightings of non-native invasive species ...

Local authorities are issuing a warning to residents after several giant hogweed sightings in Ashtabula County.

The toxic sap of the giant hogweed (Heracleum mantegazzianum) contains a chemical that acts like reverse sunscreen. Combined with sunlight, it can cause severe burns and potentially permanent ...

Giant Hogweed, or Heracleum mantegazzianum, is infamous among botanists due to its toxic properties. The plant - which looks a lot like a bigger version of cow parsley, which you often see on ...

A few years ago, my dad brought a huge dead seed head from the top of what looked like giant hogweed. My dad said that he had seen a number of these plants growing almost like a grove of trees.

What does giant hogweed look like? Giant hogweed (Heracleum mantegazzianum) has a tall and thick stem with purple blotches and large, jagged leaves. They produce umbrella-shaped clusters of white ...

RECENTLY reports have been published of microscopic particles moving along strands in the sieve tubes of cut sections of Primula obconica 1,2. This movement has suggested that protoplasmic ...