余甘子又名油甘、望果、余甘果等,是亚热带地区的一种野生果树,为大戟科叶下珠属落叶灌木或小乔木,在我国栽培利用约１８００年的历史。余甘子果实味酸涩,食后有回甜生津,故名余甘子。叶互生,线状长椭圆形在小枝上排成两列。春季开花,花小型,腋生,黄色。果实肉质,扁球形常黄绿 It is also a kind of wild fruit tree in the subtropics. It is a deciduous shrub or small tree belonging to Phyllanthus in the genus Euphorbiaceae. It is cultivated in China for about 1800 years. Emblica fruit sour astringent, after eating back to sweet fluid, hence the name emblica. Leaves alternate, linear oblong in twigs arranged in two rows. Spring flowers, flowers small, axillary, yellow. Fruit fleshy, oblate spherical often yellowish green