![Giant Hogweed](/sites/default/files/styles/node_hero_default/public/2018-01/giant%20hogweed%20Eva%20Ekeblad.jpg?h=c9bfccc0&itok=JFokxvER)
©Eva Ekeblad
Giant hogweed
Enw gwyddonol: Heracleum mantegazzianum
As its name suggests, giant hogweed it a large umbellifer with distinctively ridged, hollow stems. An introduced species, it is an invasive weed of riverbanks, where it prevents native species from growing.
Species information
Ystadegau
Height: up to 5mStatws cadwraethol
Invasive, non-native species.