Heracleum mantegazzianum Sommier & Levier
  • Nuovo Giorn. Bot. Ital.
  • Giant hogweed


Cite taxon page as 'WFO (2020): Heracleum mantegazzianum Sommier & Levier. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000720133. Accessed on: 23 Nov 2020'

General Information

"Very robust biennial or monocarpic perennial 2–5 m, stem usually purple-blotched; lvs to 3 m, ternate or ternate-pinnate, with pinnately lobed lateral segments to 13 dm; umbels to 5 dm wide, with 50–150 rays; pet ca 1 cm; fr 8–11 mm, on pedicels 1.5–4 cm; 2n=22. Native of sw. Asia, recently established as a weed in c. and w. N.Y., and to be expected to spread."

  • Provided by: [C].New York Botanical Garden
    • Source: [
    • 1
    • ]. 

    Morphology

    1–3(–5) m hoch, Stängel am Grund bis 10 cm dick. Untere Blätter 0.5–2 m lang, tief 3- oder 5teilig, mit wenig tief fiederteiligen Abschnitten. Dolden 30–150strahlig, Durchmesser 20–50 cm. Hüllblätter 0–3, Hüllchenblätter mehrere. Blüten w

  • Provided by: [B].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 2
    • ]. 

    Ecology

    7–9. Parkanlagen, Schuttplätze, Gebüsche, seit ca. 1980 eingebürgert, kollin-montan(-subalpin). CH verbreitet.

  • Provided by: [B].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 2
    • ]. 

    Distribution Map

     
    • Introduced distribution
    Introduced into
    • Europe Northern Europe Ireland

    Nationally Preferred Names

    NameLanguageCountry
    Giant hogweedEnglishIE
    Feabhrán capaillIrishIE

    Other Local Names

    NameLanguageCountry
    Riesen-BärenklauGermanCH
    Panace di MantegazziItalianCH
    Darsvenna da MantegazziRaeto-RomanceCH
    Berce du CaucaseFrenchCH
    OllfheabhránIrishIE

      Bibliography

    • 1 "Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp."
    • 2 Flora Helvetica, Illustrierte Flora der Schweiz. K. Lauber, G. Wagner, A. Gygax, Haupt Verlag, 2018. ISBN-978-3-258-08047-5
    • 3 Nuovo Giorn. Bot. Ital.

     Information From

    Apiaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora Helvetica – Illustrierte Flora der Schweiz
    http://www.flora-helvetica.ch
    Flora Helvetica – Illustrierte Flora der Schweiz, Konrad Lauber, Gerhart Wagner, Andreas Gygax. Haupt Verlag 2018.
    • B All Rights Reserved
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Irish Vernacular Names
    https://www.missouribotanicalgarden.org/plant-science/plant-science/research-staff/article/380/wyse-jackson-peter-s.aspx
    • D All Rights Reserved
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).