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According to the 2007 edition of the Guinness Book of World Records, the castor oil plant is the most poisonous in the world, though its cousin abrin, found in the seeds of the jequirity plant, is arguably more lethal. Castor oil, long used as a laxative, muscle rub, and in cosmetics, is made from the seeds, but the ricin protein is denatured ...
Atropa belladonna, commonly known as belladonna or deadly nightshade, is a toxic perennial herbaceous plant in the nightshade family Solanaceae, [1] which also includes tomatoes, potatoes and aubergine (eggplant). It is native to Europe and Western Asia, including Turkey. Its distribution extends from Ireland in the west to western Ukraine and ...
Cicuta maculata is a rhizomatous perennial herb producing a hollow erect stem that can reach a height of 1.8 meters (6 feet). [3] The long leaves are made up of several lance-shaped, pointed, serrated leaflets. Each shiny green leaflet is 2 to 10 centimeters (1 to 4 inches) long and the entire leaf may be up to 40 cm (16 in) long.
Aconitum napellus. L. Aconitum napellus, monkshood, [2] aconite, Venus' chariot or wolfsbane, is a species of highly toxic flowering plants in the genus Aconitum of the family Ranunculaceae, native and endemic to western and central Europe. It is an herbaceous perennial plant growing to 1 m (3 ft 3 in) tall, with hairless stems and leaves.
It is a perennial herb [2] that grows 40 to 80 cm (16 to 31 in) tall. The leaves are coarsely toothed with deeply lobed margins. Plants commonly have hairy veins on the undersides of the foliage. Each stem will have either three leaves that branch near the top, or will have three compound leaves and one upright flowering stalk from one point on ...
Conium sibiricum Steud. Conium strictum Tratt. Conium tenuifolium Mill. Conium maculatum, known as hemlock (British English), [2] or poison hemlock (American English) [3] is a highly poisonous flowering plant in the carrot family Apiaceae, native to Europe and North Africa. It is herbaceous without woody parts and has a biennial lifecycle.
Although the plant is toxic to many birds and other animals, the black-spined iguana (Ctenosaura similis) is known to eat the fruit and even live among the limbs of the tree. [ 10 ] The tree contains 12-deoxy-5-hydroxyphorbol-6-gamma-7-alpha-oxide, hippomanins, mancinellin, and sapogenin .
All parts of these plants are known to be poisonous. [4] The principal toxin is the alkaloid dauricine. [5] The fruit of Canadian moonseed are poisonous and can be fatal. While foraging for wild grapes, one should examine the seeds of the fruit to make sure one is not eating moonseeds: moonseeds have a single crescent-shaped seed, while grapes have round