Cicuta virosa L.
  • Sp. Pl.
  • Water hemlock


Cite taxon page as 'WFO (2021): Cicuta virosa L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000604532. Accessed on: 24 Oct 2021'

General Information

Plants 70–120 cm. Rootstock 2–4 cm thick, surface tawny, yellow within, exudes yellow sap when cut. Stem solitary, sometimes purplish-tinged. Basal leaves petiolate, petioles 15–30 cm; blade triangular or ovate-triangular, 12–30 × 10–25 cm; pinnae 3-lobed or pinnatifid; ultimate segments linear-lanceolate or lanceolate, 1.5–6 × 0.3–1 cm, serrate to sharply serrate. Upper leaves 1–2-pinnate; ultimate segments narrowly lanceolate, 1–2.5 × 0.2–0.5 cm. Umbels 5–15 cm across; peduncles 2.5–20 cm; bracts absent or 1, linear, ca. 8 mm; rays 6–25, 2–6 cm, subequal, slender; bracteoles numerous, linear-lanceolate, 3–5 × 0.5–0.9 mm, almost as long as flowers, rarely longer; umbellules 15–35-flowered; pedicels 4–8 mm. Calyx teeth 0.3–0.5 mm, unequal. Petals ca. 1.2 × 1 mm. Fruit 2–3.5 × 1.8–3 mm. Fl. and fr. Jul–Sep.

  • Provided by: [D].Flora Of CHina @ efloras.org
    • Source: [
    • 1
    • ]. 

    Plants 1-2 m tall, branched. Stem fistular. Leaves 2-3-pinnate; leaflets lanceolate to oval, 3-5 cm long, 3 mm to 1 cm broad; margin serrate. Involucral bracts lacking. Rays c. 15, 4-6 cm long. Involucel of linear bractlets. Fruit ovoid, 2-3 mm long; ridges corky. Inner seed face slightly concave.

  • Provided by: [B].Flora of Pakistan
    • Source: [
    • 2
    • ]. 

    Morphology

    50–150 cm hoch, kahl, Stängel röhrig, meist im Wasser stehend. Blätter 2–3fach gefiedert. Teilblätter letzter Ordnung schmal-lanzettlich, mit spitzen, nach vorn gerichteten Zähnen. Dolden 8–20strahlig. Hüllblätter 0–2, Hüllchenblätter zahlre

  • Provided by: [C].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 3
    • ]. 

    Ecology

    7–9. Sumpfgräben, Ufer von Tümpeln und Seen, kollin-montan. M, J, VS, ANE.

  • Provided by: [C].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 3
    • ]. 

    Distribution Map

     
    • Native distribution
    Found in
    • Europe Northern Europe Ireland

    Nationally Preferred Names

    NameLanguageCountry
    Water hemlockEnglishIE
    Fealla bogIrishIE

    Other Local Names

    NameLanguageCountry
    Cicuta acquaticaItalianCH
    WasserschierlingGermanCH
    CowbaneEnglishIE
    Ciguë aquatiqueFrenchCH
    Dathabha bánIrishIE
    TréanlusIrishIE
    Forán (-áin)IrishIE
    FeallairIrishIE

     Information From

    Apiaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of Pakistan
    http://www.tropicos.org/Project/Pakistan
    Flora of Pakistan. Missouri Botanical Garden. Accessed on Jun. 2020.
    • B Missouri Botanical Garden
    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.
    • C All Rights Reserved
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • D Missouri Botanical Garden
    Irish Vernacular Names
    https://www.missouribotanicalgarden.org/plant-science/plant-science/research-staff/article/380/wyse-jackson-peter-s.aspx
    • E All Rights Reserved
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature
    https://www.iucn.org/
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • G All Rights Reserved
    International Union for Conservation of Nature v.3
    https://www.iucnredlist.org/
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • H See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use