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Noun: poison hemlock  'poy-zun 'hem,lók
  1. Large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonous
    - hemlock, poison parsley, California fern, Nebraska fern, winter fern, Conium maculatum

Derived forms: poison hemlocks

Type of: poisonous plant

Part of: Conium, genus Conium

Encyclopedia: Poison hemlock