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我国是桃的原产地,栽培历史已有三千余年。桃属植物全世界有40余种,种质资源非常丰富。桃属植物主要分布在我国西部和中亚、地中海地区。这里介绍北京植物园引种的5种桃树。毛桃(Amygdalus persica)包括栽培桃,分布全国各地。乔木,树皮灰褐色,冬芽2—3个簇生,中间为叶芽,两侧是花芽。叶长圆披针形。花先叶开放,每芽内一朵花,粉红色,罕白色,栽培品种果实重100—500克,野生毛桃果小。果肉白色、淡绿白色、黄色、橙黄或红色,离核或粘核。核面具深的沟纹和点
China is the origin of peaches, cultivation history has more than three thousand years. There are more than 40 kinds of peach plants in the world, and the germplasm resources are very rich. Peach plants are mainly distributed in western China and Central Asia, the Mediterranean region. Here introduced five kinds of peach trees introduced by Beijing Botanical Garden. Amygdalus persica includes cultivated peaches distributed throughout the country. Trees, bark beige, winter buds 2-3 clusters, the middle of leaf buds, flower buds on both sides. Leaf oblong lanceolate. Flowers first leaves open, a flower in each bud, pink, rarely white, cultivated varieties of fruit weight 100-500 grams, wild peach fruit small. Pulp white, light green white, yellow, yellow or red, from the nuclear or viscous nuclear. Nuclear mask with deep grooves and dots