Rosary pea seeds contain abrin, which is a toxin that is more potent than ricin and can be deadly in small doses.
Deadly nightshade, as its name suggests, is extremely poisonous due to the presence of dangerous tropane alkaloids in all parts of the plant.
Foxglove is recognized for its stunning bell-shaped flowers and its poisonous substance, digitalis, which is utilized in heart medication.
Giant hogweed’s sap can cause phytophotodermatitis, which leads to severe burns and blisters when exposed to sunlight.
White snakeroot contains a toxin called tremetol, which is harmful to both humans and livestock.
Poison sumac is more potent than both poison ivy and oak, causing severe allergic skin reactions upon contact
Dumb cane is a popular indoor plant that can cause significant irritation to the mouth and throat, as well as swelling and temporary loss of speech if its leaves are ingested.
Monkshood is admired for its deep blue flowers, but it contains aconitine, a powerful toxin that can cause heart and respiratory failure.
The manchineel tree, found in tropical regions, is so toxic that even standing under it during rain can cause skin blistering due to its sap
Autumn crocus, known scientifically as Colchicum autumnale, is a beautiful but deceptive plant that blooms in the fall.