Eupatorium cannabinum L.

First published in Sp. Pl.: 838 (1753)
This species is accepted
The native range of this species is Europe to Central Asia and Iran, NW. Africa. It is a perennial and grows primarily in the temperate biome.

Descriptions

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

Ghazanfar, S. A., Edmondson, J. R. & Hind, D. J. N. (Eds). (2019). Flora of Iraq, Volume 6: Compositae.Kew Publishing

Morphology General Habit
Erect perennial herb with many herbaceous stems 0.5–1.5 m tall
Morphology Stem
Stems serect, purplish- red, usually simple
Morphology Leaves
Leaves opposite, petiolate, petiole c. 5 mm, lamina 7–20 × 3–5 cm, tripinnatifid, leaflets ovate to lanceolate, puberulent, bright green, narrowed or rounded at base, margins crenate or incised-dentate, apices acute
Morphology Reproductive morphology Inflorescences
Inflorescences densely compound- corymbose
Morphology Reproductive morphology Inflorescences Capitulum
Capitula (3–)5(–7)-flowered; involucres campanulate, after seed dispersal patent to spreading; phyllaries 2–3-seriate, imbricate, elliptical, 1–3 mm, often red-tipped
Morphology Reproductive morphology Flowers Corolla
Corollas 3–4 mm, pink, purplish-red, or white
Morphology Reproductive morphology Fruits
Achenes cylindrical, 2.5–3.5 × 0.4 mm, 5-ribbed, black; pappus spreading, 3.5–5 mm, straw-coloured or whitish.
Ecology
By perennial mountain streams, on damp rocky cliffs, by a mill-stream, in an irrigated Populus plantation; alt. 600–1200 m;
Phenology
flowering & fruiting: Jul.-Oct.
Distribution
Occasional in the lower forest zone of Iraq. Europe, W & C Asia (Cyprus, Syria, Lebanon, Palestine, Jordan, Turkey, Iran, Caucasia); introduced and probably naturalized in China.
[FIQ]

Common Names

English
Hemp Agrimony

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • Flora of Iraq

    • Ghazanfar, S. A., Edmondson, J. R. (Eds). (2013-2019). Flora of Iraq, Volumes 5.1, 5.2 and 6.0. Kew Publishing
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Living Collection Database

    • Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Science Photographs

    • Copyright applied to individual images