Nightshade is an annual herb of solanaceae,which can reach 60 cm in height.lts leaves are oval,sharp at the top,and its lateral veins are not obvious.the flowers are solitary in the axils of the leaves,with linear lobes,blunt at the top and persistent in the fruit.the corolla is white or purple,with various stripes,funnel-shaped,and the style slightly exceeds the stamen.
