The pear (Pyrus, Linnaeus 1753) is a genus of plants in the Rosaceae family, including species of trees and flowering shrubs with delicate and variously colored. They are medium-sized tree, reaching 10-17 meters. Most of Pyrus are deciduous, but one or two species in Southeast Asia are sempreverdi.Le leaves are about 2-12 cm long, glossy green in some species, silvery-hairy in others, the shape of the leaves varies Oval to lanceolate stretto.I flowers are yellow or pink and white rarely stained, 2-4 cm in diameter and have five petals. Bloom between April and May, up to an altitude of 1,000 metri.Il pear fruit is called, is as big as apple, with a diameter of 1-4 cm, but in some cultivated forms is up to 18 cm long and 8 wide. Pears are native to temperate regions of the Old World, Western Europe and North Africa to Asia.
Most species tolerate the bitter cold, with temperatures between -25 and -40 C ° C ° in winter, but evergreen species, which only tolerate temperatures down to -15 C °.
0 comments:
Post a Comment