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Also present are ricinine, an alkaloid, and an irritant oil. 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 ...
The leaves are simple, alternate, very finely serrated or toothed, and 5–10 centimetres (2–4 inches) long. [7] Spikes of small greenish flowers are followed by fruits, which are similar in appearance to an apple, are green or greenish-yellow when ripe. The fruit is poisonous, as is every other part of the tree. [7]
The plants grow as creeping vines, climbing vines, shrubs, or, in the case of lacquer tree (T. vernicifluum) and poison sumac , as trees. While leaves of poison ivy and poison oaks usually have three leaflets, sometimes there are five or, occasionally, even seven leaflets.
What does poison ivy look like? Poison ivy can grow as a vine or a small shrub, trailing along the ground or even climbing low plants, trees and poles.Look for three glossy leaflets. The common ...
Here are some of the most common plants that are toxic to dogs, according to Dr Wismer: Sago Palm This handsome prehistoric-looking palm is the most dangerous houseplant on the list for dogs ...
This is one tree you want to avoid -- unless there's something about the nickname "Little Apple of Death" that appeals to you. At first glance, the Manchineel tree is quite beautiful, with lush ...
The World's 100 most threatened species [1] is a compilation of the most threatened animals, plants, and fungi in the world. It was the result of a collaboration between over 8,000 scientists from the International Union for Conservation of Nature Species Survival Commission (IUCN SSC), along with the Zoological Society of London . [ 2 ]
It is a major source of the highly poisonous, intensely bitter alkaloids strychnine and brucine derived from the seeds inside the tree's round, green to orange fruit. [6] The seeds contain approximately 1.5% strychnine, and the dried blossoms contain 1.0%. [3] However, the tree's bark also contains brucine and other poisonous compounds.