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海棠多为栽培,我国各地有分布。树高5~7米。叶互生,椭圆状长椭圆形,边缘有紧贴的细锯齿。花数朵簇生,呈伞形总状花序;花蕾红色或深红色,开后为淡红色或粉红色,直径4~5cm。果近球形,黄色。花期4~5月,果熟期9~10月。海棠,别名海红、海棠梨、棠蒸梨等,为蔷薇科落叶乔木植物海棠。海棠原产我国,种类较多,常见栽培的有以下三
Begonia mostly for cultivation, distribution throughout our country. Tree height 5 ~ 7 meters. Leaves alternate, oval-shaped oval, close to the edge of fine serrations. Flowers a few clusters, was umbrella raceme; buds red or dark red, open after the red or pink, diameter 4 ~ 5cm. Fruit nearly spherical, yellow. Flowering from April to May, fruit ripening period from September to October. Begonia, alias sea red, Begonia pear, steamed pear, etc., for the Rosaceae deciduous tree plants Begonia. Begonia native China, more species, the common cultivation of the following three