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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 ...
Manchineel trees are often signposted as dangerous. William Ellis, ship's surgeon for James Cook on his final voyage, wrote: On the fourth, a party of men were sent to cut wood, as the island apparently afforded plenty of that article; amongst other trees they unluckily cut down several of the manchineel, the juice of which getting into their ...
Toxopneustes pileolus, commonly known as the flower urchin, is a widespread and commonly encountered species of sea urchin from the Indo-West Pacific.It is considered highly dangerous, as it is capable of delivering extremely painful and medically significant stings when touched.
Atropa bella-donna has a long history of use as a medicine, cosmetic, and poison. [14] [4] [15] Known originally under various folk names (such as "deadly nightshade" in English), the plant was named Atropa bella-donna by Carl Linnaeus (1707–1778) when he devised his classification system.
Photo editors at the magazine chose the top 20 photos from a selection of 2.3 million images. Every year, photographers at National Geographic travel around the world to share stories through ...
Datura is a genus of nine species of highly poisonous, vespertine-flowering plants belonging to the nightshade family (). [1] They are commonly known as thornapples or jimsonweeds, but are also known as devil's trumpets or mad apple [2] (not to be confused with angel's trumpets, which are placed in the closely related genus Brugmansia).
The prettiest flowers in the world include rare camellias, expensive roses, common daffodils, elusive orchids, fragrant lilacs, and an exquisite sacred lotus. ... Of all the photos here, this is ...
Each flower has six stamens each as long or slightly longer than the tepals. [7] The bracts on the back of the flowers may be green or white and are 5–25 millimeters long. [5] Flowering may comence in April, May, June, or as late as July in its native habitat. [11] [12] The fruit is a capsule 8–20 millimeters long and 4–7 millimeters wide ...