Poisonous Plant, plant product or its derivatives which produce deleterious effects on human and other animals’ body or cause their death when taken in relatively smaller quantities. Poisonous plants, however, do not include those edible plants which are toxic in the fresh state, but lose their toxicity on being dried or cooked.
Poisonous plants have been the subject of practical lore since ancient times. Their systematic study, in terms of modern science, is often considered to have begun during the 16th century, when the Swiss physician and alchemist Paracelsus first studied the chemical nature of poisons. However, Indigenous Systems of Medicine in this subcontinent had studied and recorded detail accounts of poisonous plants way back in 1500 BC.
Example:- Ata (Roots, seeds), Hijal (Fruits), Akanda (Latex, leaves)
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