poison hemlock definition

  • noun:
    • A deadly poisonous European plant (Conium maculatum) extensively naturalized in the united states, having bipinnately ingredient leaves and mixture umbels of tiny white blossoms.
    • a poisonous umbelliferous plant (Conium maculatum). See Hemlock.
    • large branching biennial herb indigenous to Eurasia and Africa and adventive in united states having big fernlike leaves and white plants; often found in wet habitats; all parts excessively toxic

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  • Hypernym for "poison hemlock"
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