Heracleum mantegazzianum Sommier & Levier
(Giant Hogweed)

Taxonomic hierarchy:
SpeciesHeracleum mantegazzianum (Giant Hogweed)
GenusHeracleum (hogweeds)
FamilyAPIACEAE (umbellifers)
OrderAPIALES (umbellifers, ivies and pennyworts)
SubclassEU-DICOTS (dicotyledonous flowering plants)
ClassMAGNOLIOPSIDA (flowering plants)
PhylumTRACHEOPHYTA (vascular plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Heracleum mantegazzianum (Giant Hogweed) :
1: Heracleum mantegazzianum (Giant Hogweed)
25 Jun 2009 OSGR: SU47 51° 30’ N, 1° 20’ W Vice County: Berks (VC 22) England
at roadside
Image 1: InflorescenceImage 2: Inflorescence (2)Image 3: LeafImage 4: Leaf bases and stemImage 5: Plant at roadsideImage 6: Umbel (side branch)
2: Heracleum mantegazzianum (Giant Hogweed)
2 Jul 2001 OSGR: SU67 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
at side of road
Image 1: Basal leafImage 2: Cauline (stem) leafImage 3: Flowers - close-upImage 4: Fruits - immatureImage 5: Fruits - immature - close-upImage 6: Inflorescence - from aboveImage 7: Inflorescence - from above (2)Image 8: Inflorescence - from above (3)Image 9: Marginal flowers - close-upImage 10: Marginal flowers - close-up (2)Image 11: Partial umbelImage 12: Partial umbel (2)Image 13: Partial umbel - close-upImage 14: PlantImage 15: Plant (2)Image 16: Plant (3)Image 17: Rays of umbel - from belowImage 18: Flowers - magnified
3: Heracleum mantegazzianum (Giant Hogweed)
12 May 2001 OSGR: SU46 51° 20’ N, 1° 20’ W Vice County: Berks (VC 22) England
around edges of car park
Image 1: LeavesImage 2: PlantImage 3: Plant (2)Image 4: Plant (3)
4: Heracleum mantegazzianum (Giant Hogweed)
23 Aug 1978 OSGR: AA00 63° 60’ N, 31° 20’ W Vice County: Midlothian (VC 83) Scotland
Image 1: Growing along a ditchImage 2: Growing along a ditch (2)
5: Heracleum mantegazzianum (Giant Hogweed)
2 Jul 1977 OSGR: SU93 51° 10’ N, 0° 40’ W Vice County: Surrey (VC 17) England
Image 1: PlantImage 2: Umbels

Identification Works

AuthorYearTitleSource
Booy, O., Wade, M. & White, V. Giant Hogweed

Heracleum mantegazzianum (Giant Hogweed) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Heracleum mantegazzianum (Giant Hogweed)
BioInfoBioInfo (www.bioinfo.org.uk) has 5 host/parasite/foodplant and/or other relationships for Heracleum mantegazzianum (Giant Hogweed)
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