What are pears

pear, (genus Pyrus), genus of some 20–45 timber and shrubs in the rose household (Rosaceae), consisting of the frequent pear (Pyrus communis). One of the most necessary fruit timber in the world, the frequent pear is cultivated in all temperate-zone nations of each hemispheres. The fruit is many times eaten sparkling or is canned. It is additionally used to produce perry, an alcoholic beverage. Several species, such as the Callery pear (P. calleryana), are grown as ornamentals.

Physical description
pears
pears
The frequent pear tree is broad-headed and up to thirteen metres (43 feet) excessive at maturity. The bushes are fairly long-lived (50 to seventy five years) and may additionally attain enormous dimension except cautiously educated and pruned. The roundish to oval leathery leaves, rather wedge-shaped at their bases, show up about the identical time as the flowers, which are about 2.5 cm (1 inch) vast and normally white. Pear vegetation are commonly white or red and have 5 petals and sepals; the bases of the 5 patterns are separated. Pear fruits are typically sweeter and of softer texture than apples and are unique by using the presence of difficult cells in the flesh, the so-called grit, or stone cells. In general, pear fruits are elongate, being slender at the stem quit and broader at the contrary end.
Pears are generally propagated with the aid of budding or grafting onto a rootstock, normally of Pyrus communis origin. In Europe the most important rootstock used is quince (Cydonia oblonga), which produces a dwarfed tree that fruits at an previously age than most of the bushes on pear rootstocks. Like different individuals of the rose family, Pyrus species are usually prone to furnace blight, anthracnose, canker, and powdery mildew.