石榴(Punica granatum),为安石榴科(Punicaceao),落叶小乔木或灌木。一般茎高3～4米,叶略对生,长椭圆形,全缘,有光泽。梅雨时节,枝梢生花数朵;花瓣红色,萼通常亦为红色。果实球状,成熟时裂开,现出红色种子。 石榴原产伊朗、阿富汗等国,公元前向西移至地中海沿岸各国;向东移至印度、中国、朝鲜、日本等地。迄今,全世界各大洲均有石榴生长。石榴首次引入我国,是公元 Punica granatum, Punicaceao, deciduous tree or shrub. Stems generally 3 to 4 meters tall, leaves slightly opposite, oblong, whole, shiny. Meiyu season, the number of branches shoot flowers; petals red, calyx usually also red. Fruit globose, split open at maturity, showing red seeds. Origin of pomegranates in Iran, Afghanistan and other countries, westward BC to the Mediterranean coast countries; eastward to India, China, North Korea, Japan and other places. To date, pomegranate has grown on all continents. Pomegranate was first introduced to our country, is AD