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 fruit is an edible pome. Pear (Pyrus communis) is a fruit tree that is part of the Rosaceae family. Pyrus communis. It is planted widely in the United States and now grows wild in many parts of the country. Leaves are petiolate, alternate, ovate to elliptic in outline, slightly pubescent (especially when young), and with serrate to crenate or rarely entire margins. Bartlett Pear Pyrus communis ‘Bartlett’ A European pear with large yellow fruit and smooth, juicy white flesh. The bark is grayish brown and occurs in long vertical plates. 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 name Common Pear (Pyrus communis) is now considered to refer collectively to more than 1000 cultivars and their wild derivatives. 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. The medium-sized pear … It is a fairly new variety, being a cross between two classic varieties, ‘Conference’ and ‘Doyenné du Comice’. The following is a list of diseases of pears (Pyrus communis. ... Pyrus communis … 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. It is not pretentious to the environmental factors. White or rosy flowers, till 1,5 cm wide, gathered in corymbs from 3 to 7. leaves alternate on the twig It has a rustic aspect, the crown has a characteristic form and can reach heights up to 20 meters. It is assumed of being native from Asia (China and Asia minor). Flower: Clusters of showy white flowers (each 1/2 to 3/4 inch across) appearing before or with the leaves. The leaves are oval or round, and the petiole is hairy. The Common Pear grows well in moist soils. The Common Pear tree is a native of Europe and western Asia where it has been known and cultivated since ancient times. Bacterial diseases. Pyrus communis ‘Concorde’ is an excellent choice for growing in Britain. Fruit trees need a minimum of 6-8 hours sunlight daily, and need water. Moonglow pear trees (Pyrus communis "Moonglow") bloom with fragrant white flowers from April through May. The smooth, gray-brown bark becomes scaly as the tree grows. 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