- 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
Hypernym for "poison hemlock"
- poisonous plant
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