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Largest Seed in the World


The world's largest seed comes from the Coco de Mer ("Coconut of the Sea"), or double coconut (Lodoicea maldivica). . Other common names used are Seychelles Island Palm, coco fesse, Maldive coconut, sea coconut, and double coconut. It originates from the islands of Praslin and Curieuse in the Seychelles Islands.


The coco-de-mer is a spectacular giant palm that grows in the Seychelles. Its smooth and straight trunk rises 30m high and is crowned with immense leaves, like pleated fans, 6m across.


Each tree carries only male or only female flowers. The female trees are taller. After fertilization, the female trees produce a cluster of huge double nuts that take seven years to mature.


The nut of the coco de mer is the largest seed produced by any plant. It can weigh up to 27kg. It resembles a coconut only from the outside; its inside is completely filled with hard flesh.



Smallest Flowering Plant

 
It is Wolffia, commonly known as Watermeal.   

Wolffia species are free-floating  green or yellow-green, and without roots. The flower is produced in a depression on the top surface of the plant body. It has one stamen and one pistil. Individuals often float together in pairs or form floating mats with related plants.

Each tiny Wolffia plant is a rootless oval body, producing a pistil (stigma) and a single stamen from a floral cavity in the side of the body. It doesn't flower often as it reproduces primarily vegetatively. This is accomplished as the main plant or "mother frond" produces a "daughter frond" from one end.

They have historically been collected from the water and eaten as a vegetable in much of Asia.


Tallest Trees



The coast redwood, the world's tallest tree, is one of the three sequoia tree species, together with the giant sequoia (Sequoiadendron giganteum) and the dawn redwood (Metasequoia glyptostroboides). 


The coast redwood (Sequoia sempervirens) grows in natural stands in a long, thin coastal area along the Pacific Ocean in the west and northwest of the US (mostly California). It is the tallest tree in the world


With its relatively slender silhouette this tree can grow even 20 meters higher than the tallest giant sequoias, that are nevertheless the biggest trees in the world, when looking at the volume of the trunk. 


The tallest known living tree, named Hyperion, is 115.55 m or 379.1 feet (measured in 2006) tall! This gets close to 120 to 130 m, that, according to a 2004 biological study, is the maximum attainable height of a tree.



Largest and Smelliest flower


The flower with the world's largest bloom is the Rafflesia


It is a genus of parasitic flowering plants. It contains approximately 28 species (including four incompletely characterized species as recognized by Willem Meijer in 1997), all found in southeastern Asia, on the Malay Peninsula, Borneo, Sumatra, and the Philippines.


This rare flower is found in the rainforests of Indonesia. It can grow to be 3 feet across and weigh up to 15 pounds! It is a parasitic plant, with no visible leaves, roots, or stem. 


It attaches itself to a host plant to obtain water and nutrients. When in bloom, the Rafflesia emits a repulsive odor, similar to that of rotting meat. This odor attracts insects that pollinate the plant. 



Dangerous Plants


Not all plants are safe to eat or even touch. Nettles sting and other plants, such as euphorbia and poison ivy, may blister your skin. Many quite common plants, including buttercups, are poisonous if eaten because they contain chemicals called phytotoxins. Strangely, some plant poisons (such as curare, digitalis and strychnine). Are used in minute quantities to cure illnesses.
 
  • Potatoes are safe to eat when cooked, but the stems and leaves of the plants contain a poison called solanine. If potatoes turn green, they may also contain solanine.

  • Ricin is extracted from the seeds of the castor oil plant and is more poisonous than cyanide or snake venom. Even minute doses of ricin can be fatal.

  • Opium is extracted from the juice 0f a poppy and contains morphine. Small quantities of both are used legally as pain-relieving medicines and illegally as drugs. Both can easily cause death.
  • The death cap is a highly poisonous mushrooms, it is responsible for almost 90%of deaths from eating fungi. The poison causes severe diarrhea and vomiting.
  • Curare is extracted from the bark of certain trees and is used by South American Indian tribes to tip their poison arrows when they go hinting.
  • Deadly nightshade is also known as belladonna. It contains a poison called atropine. Less than 10 milligrams could kill a child.
  • Nicotine is a yellow oily liquid found in tobacco. About 50 milligrams of nicotine would kill an adult within minutes.
  • The leaves of the purple foxglove contain digitalis and eating just a few can be fatal. Digital is used in tiny doses to treat people suffering from heart disease.
  • Strychnine comes from the koochla tree, which grows in Myanmar and India. It is one of the most deadly poisons known.


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