The milky white sap is sticky and has a bitter taste but livestock eat the topmost, tender leaves if good forage isn't abundant. Remove plants by spading, pulling, cutting or plowing extensive areas and planting to cultivated crops for a year or two. Fruits are more toxic than the foliage. It's a common plant in grasslands and fields and is a member of the nightshade family. 10 Black nightshade is an annual plant, two-feet high, with many branches.
Leaves are variably smooth or hairy.
The stems angled in cross-section and sometimes spiny. Clusters of white flowers, one-fourth inch across, bloom in midsummer and are followed by small, black fruits. Both the foliage and green berries are toxic. The ripe berries are not poisonous. Black nightshade is widely distributed.