Plant  

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The Bristlecone Pine can reach an age far greater than that of any other single living organism known, up to nearly 5,000 years.
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The Bristlecone Pine can reach an age far greater than that of any other single living organism known, up to nearly 5,000 years.
Welwitschia has been called the ugliest plant in the world
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Welwitschia has been called the ugliest plant in the world

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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.

Plants, also called green plants (Viridiplantae in Latin), are living organisms of the kingdom Plantae including such multicellular groups as flowering plants, conifers, ferns and mosses, as well as, depending on definition, the green algae, but not red or brown seaweeds like kelp, nor fungi or bacteria.

Green plants have cell walls with cellulose and characteristically obtain most of their energy from sunlight via photosynthesis using chlorophyll contained in chloroplasts, which gives them their green color. Some plants are parasitic and may not produce normal amounts of chlorophyll or photosynthesize. Plants are also characterized by sexual reproduction, modular and indeterminate growth, and an alternation of generations, although asexual reproduction is common, and some plants bloom only once while others bear only one bloom.

Precise numbers are difficult to determine, but Template:As of, there are thought to be 300–315 thousand species of plants, of which the great majority, some 260–290 thousand, are seed plants . Green plants provide most of the world's molecular oxygen and are the basis of most of the earth's ecologies, especially on land. Plants described as grains, fruits and vegetables form mankind's basic foodstuffs, and have been domesticated for millennia. Plants enrich our lives as flowers and ornaments. Until recently and in great variety they have served as the source of most of our medicines and drugs. Their scientific study is known as botany.


See also

Strange plants




Unless indicated otherwise, the text in this article is either based on Wikipedia article "Plant" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on original research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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