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The leaf is usually the primary site of photosynthesis in plants.

Plants are the eukaryotes that form the kingdom Plantae; they are predominantly photosynthetic. This means that they obtain their energy from sunlight, using chloroplasts derived from endosymbiosis with cyanobacteria to produce sugars from carbon dioxide and water, using the green pigment chlorophyll. Exceptions are parasitic plants that have lost the genes for chlorophyll and photosynthesis, and obtain their energy from other plants or fungi.

There are about 380,000 known species of plants, of which the majority, some 260,000, produce seeds. They range in size from single cells to the tallest trees. Green plants provide a substantial proportion of the world's molecular oxygen; the sugars they create supply the energy for most of Earth's ecosystems and other organisms, including animals, either consume plants directly or rely on organisms which do so. (Full article...)

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Hypericum calycinum (Hypericaceae)
Hypericum calycinum (Hypericaceae)
Hypericum calycinum is a prostrate or low-growing shrub species of the genus Hypericum (Hypericaceae), indigenous to southeast Europe and southwest Asia. It is a low, creeping, woody shrub to about 1 m tall and 1–2 m wide. The solitary flowers are 3–5 cm in diameter, a rich yellow, with five petals and numerous yellow stamens.


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  • ... that according to Lois N. Magner, Hildegard of Bingen's Physica is "probably the first book by a female author to discuss the elements and the therapeutic virtues of plants, animals, and metals"?
  • ... that plant biology professor Luca Comai independently developed glyphosate-resistant plants while working at Calgene and published his research before Monsanto researchers were able to?
  • ... that pollution in rivers scatters far-red light, making it harder for plants like Noveloa to germinate?
  • ... that while most lichens that grow on plants live on the surface, the sole species in Amazonotrema grows partially among the cells of the tree bark on which it lives?
  • ... that the paleoflora of the Eocene Okanagan Highlands has a notable mixture of both temperate and subtropical plants?
  • ... that plants grow around volcanic gas vents on Candlemas Island?
  • ... that ochrophyte algae have twice as many membranes around their chloroplasts as plants?
  • ... that in the late 2000s the Campbell Soup Company began producing a spicier canned cheese sauce in their California and Texas plants than they did elsewhere to cater for different consumer tastes?

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  1. Describe all families, genera and species of the kingdom Plantae.
  2. For species, describe botanical properties, distribution, multiplication, usage (medicine, food, etc.), botanical history, cultivation information.
  3. Develop and implement a robust method of naming plant article for the ease of navigation and searching for Wikipedia users.
  4. Maintain Category:Plants and its subcategories.

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