Oak vs Bursa

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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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Bursa (ancient Greek: Προύσα, Latin: Prusa) is a city in northwestern Turkey and the administrative center of Bursa Province. The fourth-most populous city in Turkey and second-most populous in the Marmara Region, Bursa is one of the industrial centers of the country. Most of Turkey's automotive production takes place in Bursa. Bursa (Ottoman Turkish: بُروسه‎) was the first major and second overall capital of the Ottoman State between 1335 and 1363. The city was referred to as Hüdavendigar (خداوندگار, meaning "God's gift" in Ottoman Turkish, a name of Persian origin) during the Ottoman period, while a more recent nickname is Yeşil Bursa ("Green Bursa") in reference to the parks and gardens located across its urban fabric, as well as to the vast and richly varied forests of the surrounding region.

Mount Uludağ, the ancient Mysian Olympus, towers over it, and has a well-known ski resort. Bursa has rather orderly urban growth and borders a fertile plain. The mausoleums of the early Ottoman sultans are located in Bursa, and the city's main landmarks include numerous edifices built throughout the Ottoman period. Bursa also has thermal baths, old Ottoman mansions, palaces, and several museums. The shadow play characters Karagöz and Hacivat are based on historic personalities who lived and died in Bursa in the 14th century.

Source: Wikipedia