Pyrus is the Latin name for pear; calleryana is named after J. Callery, a French missionary to China who collected the original tree and brought it to the Western World. The fruit is an edible pome. It is not pretentious to the environmental factors. It is a fairly new variety, being a cross between two classic varieties, ‘Conference’ and ‘Doyenné du Comice’. Pear (Pyrus communis) is a fruit tree that is part of the Rosaceae family. The bark is grayish brown and occurs in long vertical plates. A20 (Virus Indicator) = PI 637992 (2717.001) - Pyrus communis L. - Pedigree: Perry Pear seedling selection - Virus Biological Assays - Negative: A20-2004 PV-2002, Uncertain: NP-2003 - Traits: VIRUS INDICATOR for bark disorders Aarer Pfundbirne (3x) = PI 282966 (8.003) - Pyrus communis L. It is assumed of being native from Asia (China and Asia minor). The smooth, gray-brown bark becomes scaly as the tree grows. It is planted widely in the United States and now grows wild in many parts of the country. Moonglow pear trees (Pyrus communis "Moonglow") bloom with fragrant white flowers from April through May. Botanical name: Pyrus communis Family: Rosaceae (rose) Deciduous; Cultivar of the common pear; 15-30 ft in height; Smooth bark when young, thickens and becomes more coarse as it ages; White flowers appear in the spring; Simple, glossy, green, serrated margins have fine teeth. Short side shoots are often thorn tipped. The leaves are oval or round, and the petiole is hairy. ... Pyrus communis … common pear Rosaceae Pyrus communis L. symbol: PYCO Leaf: Alternate, simple, ovate with a finely serrated margin, 1 to 4 inches in length, shiny green above, paler and dull below. The name Common Pear (Pyrus communis) is now considered to refer collectively to more than 1000 cultivars and their wild derivatives. The Common Pear grows well in moist soils. Fruit trees need a minimum of 6-8 hours sunlight daily, and need water. White or rosy flowers, till 1,5 cm wide, gathered in corymbs from 3 to 7. Fruit: A large edible pome (3 to 4 inches), pear-shaped. Pyrus communis ‘Concorde’ is an excellent choice for growing in Britain. It has a rustic aspect, the crown has a characteristic form and can reach heights up to 20 meters. The following is a list of diseases of pears (Pyrus communis. It is reliable, yields good crops of well-flavoured fruit, and is well suited to growing in the British climate. leaves alternate on the twig Pyrus communis L. – (Pear tree) Deciduous tree of the Rose family -rosaceae-, up to 10 m. Grey erect trunk, with its bark breaking into stripes. Ovate leaves till 10 cm, bright green above, glabrous. The medium-sized pear … Bartlett Pear Pyrus communis ‘Bartlett’ A European pear with large yellow fruit and smooth, juicy white flesh. 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