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.
Veja mais 1 Of poison hemlock , seeds are imported from ten to twenty thousand pounds annually.
2 It's poison hemlock , the First said.
3 But the real danger is posed by relatives like water hemlock, poison hemlock , giant hogweed, and cow parsnip.
4 The ancients were familiar with several of its peculiar properties, as they knew of the closely allied poison hemlock .
5 The children had made the fatal mistake of confusing the lacy foliage of parsley with that of poison hemlock .
6 Poison hemlock , a plant in the carrot family, is so toxic that it is known in Scotland as "deid men's oatmeal."
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