Oak vs St. Louis

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An oak is a tree or shrub in the genus Quercus (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably Lithocarpus (stone oaks), as well as in those of unrelated species such as Grevillea robusta (silky oaks) and the Casuarinaceae (she-oaks). The genus Quercus is native to the Northern Hemisphere, and includes deciduous and evergreen species extending from cool temperate to tropical latitudes in the Americas, Asia, Europe, and North Africa. North America contains the largest number of oak species, with approximately 90 occurring in the United States, while Mexico has 160 species of which 109 are endemic. The second greatest center of oak diversity is China, which contains approximately 100 species.

Oaks have spirally arranged leaves, with lobate margins in many species; some have serrated leaves or entire leaves with smooth margins. Many deciduous species are marcescent, not dropping dead leaves until spring. In spring, a single oak tree produces both male flowers (in the form of catkins) and small female flowers, meaning that the trees are monoecious. The fruit is a nut called an acorn or oak nut borne in a cup-like structure known as a cupule; each acorn contains one seed (rarely two or three) and takes 6–18 months to mature, depending on their species. The acorns and leaves contain tannic acid, which helps to guard from fungi and insects. The live oaks are distinguished for being evergreen, but are not actually a distinct group and instead are dispersed across the genus.

Source: Wikipedia

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St. Louis ( or ) is the second-largest city in Missouri, and sits on the western bank of the Mississippi River, which forms the state line between Illinois and Missouri. The Missouri River merges with the Mississippi River 15 river miles north of Downtown St. Louis, forming the fourth-longest river system in the world. In 2019, the estimated population was 300,576, and of the bi-state metropolitan area, 2,804,724. Greater St. Louis is the largest metropolitan area in Missouri, second-largest in Illinois, seventh-largest in the Great Lakes Megalopolis, and the 22nd-largest in the United States. Before European settlement, the area was a regional center of Native American Mississippian culture. The city of St. Louis was founded in February 14th of 1764 by French fur traders Gilbert Antoine de St. Maxent, Pierre Laclède and Auguste Chouteau, and named after Louis IX of France. In 1764, following France's defeat in the Seven Years' War, the area was ceded to Spain. In 1800, it was retroceded to France, which sold it three years later to the United States as part of the Louisiana Purchase. In the 19th century, St. Louis became a major port on the Mississippi River; in 1870, it was the fourth-largest city in the country. It separated from St. Louis County in 1877, becoming an independent city and limiting its own political boundaries. St. Louis had a brief run as a world-class city in the early 20th century. In 1904, it hosted the Louisiana Purchase Exposition and the Summer Olympics. A "Gamma" global city with a metropolitan GDP of more than $160 billion in 2017, metropolitan St.

Louis has a diverse economy with strengths in the service, manufacturing, trade, transportation, and tourism industries. It is home to nine of the ten Fortune 500 companies based in Missouri. Major companies headquartered or with significant operations in the city include Ameren Corporation, Peabody Energy, Nestlé Purina PetCare, Anheuser-Busch, Wells Fargo Advisors, Stifel Financial, Spire, Inc., MilliporeSigma, FleishmanHillard, Square, Inc., U.S. Bank, Anthem BlueCross and Blue Shield, Federal Reserve Bank of St. Louis, U.S. Department of Agriculture, National Geospatial-Intelligence Agency, Centene Corporation, and Express Scripts. Major research universities include St. Louis University and Washington University in St. Louis School of Medicine The Washington University Medical Center in the Central West End neighborhood hosts an agglomeration of medical and pharmaceutical institutions, including Barnes-Jewish Hospital. St. Louis has three professional sports teams: the St. Louis Cardinals of Major League Baseball, the St. Louis Blues of the National Hockey League, and the St. Louis BattleHawks of the newly formed XFL. In 2019, the city was awarded a Major League Soccer franchise, which will begin play upon the completion of a 22,500-seat stadium in the city's Downtown West neighborhood in 2022. Among the city's notable sights is the 630-foot (192 m) Gateway Arch in the downtown area. St. Louis is also home to the St. Louis Zoo, and the Missouri Botanical Garden, with the second-largest herbarium in North America.

Source: Wikipedia