Eupatorium cannabinum L.
(Hemp Agrimony, Hemp-agrimony)

Taxonomic hierarchy:
SpeciesEupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
TribeEupatorieae (hemp agrimonies)
SubfamilyASTEROIDEAE (“daisies”)
FamilyASTERACEAE (daisies, dandelions and thistles, composite)
OrderASTERALES (daisies, dandelions, thistles and bell flowers)
SubclassEU-DICOTS (dicotyledonous flowering plants)
ClassMAGNOLIOPSIDA (flowering plants)
PhylumTRACHEOPHYTA (vascular plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony) :
1: Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
16 Aug 2014 OSGR: ST91 50° 50’ N, 2° 0’ W Vice County: Dorset (VC 9) England
in flower
Image 1: In flowerImage 2: In flower (2)Image 3: In flower (3)
2: Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
27 Jul 2014 OSGR: SY67 50° 30’ N, 2° 30’ W Vice County: Dorset (VC 9) England
in flower
Image 1: Flower head - side view - in flower - close-upImage 2: Flower head - side view - in flower - close-up (2)Image 3: Flower head - side view - in flower - close-up (3)Image 4: Flower head - side view - in flower - close-up (4)Image 5: Flower head - top viewImage 6: Flower head - top view (2)Image 7: Flower head - top view - close-upImage 8: Flower head - top view - in bud - close-upImage 9: Flower head - top view - in flower - close-upImage 10: Plant - in flowerImage 11: Plant - in flower (2)Image 12: Plant - in flower (3)Image 13: Flower head - side view - in flower - close-up - enlargedImage 14: Flower head - side view - in flower - close-up - enlarged (2)
3: Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
12 Sep 2010 OSGR: SY67 50° 30’ N, 2° 30’ W Vice County: Dorset (VC 9) England
in limestone quarry
Image 1: In situImage 2: In situ - close-up
4: Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
8 Sep 2003 OSGR: SW97 50° 30’ N, 4° 50’ W Vice County: West Cornwall (VC 1) England
late female-only flowers
Image 1: Top view - close-upImage 2: Top view - close-up (2)
5: Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
20 Sep 2001 OSGR: SU91 50° 50’ N, 0° 40’ W Vice County: West Sussex (VC 13) England
Image 1: Seed headsImage 2: Seed heads - close-up
6: Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
11 Aug 2001 OSGR: SU91 50° 50’ N, 0° 40’ W Vice County: West Sussex (VC 13) England
Image 1: Buds just burstingImage 2: Capitula - close-upImage 3: Capitula - just burstingImage 4: InflorescenceImage 5: Inflorescence (2)
7: Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
28 Jul 2001 OSGR: SU67 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
Image 1: Inflorescence in bud - side viewImage 2: Inflorescence - side viewImage 3: Inflorescence - side view (2)Image 4: Leaves
8: Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
28 Jul 2001 OSGR: SU67 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
Image 1: Flowering stemsImage 2: Flowers hanging out over river
9: Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
28 Jul 2001 OSGR: SU67 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
Image 1: LeavesImage 2: PlantImage 3: Plant (2)
10: Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
4 Aug 1970 OSGR: TQ21 50° 50’ N, 0° 20’ W Vice County: East Sussex (VC 14) England
Image 1: Plant

Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)
BioInfoBioInfo (www.bioinfo.org.uk) has 48 host/parasite/foodplant and/or other relationships for Eupatorium cannabinum (Hemp Agrimony, Hemp-agrimony)

An excellent large plant to the wildlife garden, but can be invasive and it may be better not to let it seed.

If planted in full sunshine, it is most attractive to bees, hoverflies, and many other insects.

To reduce the height, disturb the plants in early spring (eg Feb) by digging them up and replanting in the same hole.

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