Branch Out Poisonous plants
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Oct 6, 2020 Elizabeth Dauncy, a UK-based plant toxicologist and author, dives into the perilous world of poisonous plants. She discusses how flora have evolved deadly defenses and the fine line between medicinal and toxic species. The conversation reveals the terrifying effects of Brugmansia, elaborating on the health risks it poses. Dauncy also highlights the hidden dangers of wild mushrooms and the vital role of expert foraging. Through the lens of toxicology, she underscores the importance of plant identification and conservation efforts.
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The Umbrella Murder
- Georgi Markov, a Bulgarian dissident, was murdered in 1978 during the Cold War.
- He was poisoned with ricin, a toxin found in castor oil plant seeds, delivered via a pellet fired from an umbrella.
Plant Defenses
- Plants develop harmful chemicals as a defense mechanism against herbivores and pathogens.
- This gives them a survival advantage, similar to developing thorns or leathery leaves, according to Dr. Elizabeth Dauncey.
Plants as Weapons
- Humans have used plants for medicinal purposes throughout history.
- Poisonous plants have also been weaponized, like the Strophanthus used in arrow poisons, which causes heart failure.