Giant Hogweed
Overview
 
Heracleum mantegazzianum, commonly known as giant hogweed, cartwheel-flower, wild parsnip, wild rhubarb, giant cow parsnip, or giant cow parsley, is a plant in the family Apiaceae
Apiaceae
The Apiaceae , commonly known as carrot or parsley family, is a group of mostly aromatic plants with hollow stems. The family is large, with more than 3,700 species spread across 434 genera, it is the sixteenth largest family of flowering plants...

. It typically grows to heights of 2 –, sometimes reaching 7 metres (23 ft). Except for size, it closely resembles Common Hogweed
Common Hogweed
Heracleum sphondylium, common names Common Hogweed or Cow parsnip, is a herbaceous perennial or biennial plant of the family Apiaceae. It is an umbelliferous plant, in the same group as fennel, cow parsley, ground elder and giant hogweed...

 (Heracleum sphondylium), Heracleum sosnowskyi
Heracleum sosnowskyi
Heracleum sosnowskyi or Sosnowsky's Hogweed, is a flowering plant in the family Apiaceae, originally native to Caucasus. Now it is a common weed in the Baltic States, Belarus, Russia....

or Garden Angelica
Garden Angelica
Angelica archangelica, commonly known as Garden Angelica, Holy Ghost, Wild Celery, and Norwegian angelica, is a biennial plant from the Apiaceae family Apiaceae family, formerly known as Umbelleferae...

 (Angelica archangelica).
 
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