Solanum is a large genus of flowering plants in the nightshade family, Solanaceae. It includes over 1,500 species, ranging from herbs to shrubs and trees. Some well-known members of this genus are potatoes, tomatoes, and eggplants. Many species are cultivated for their edible fruits, while others are valued for ornamental purposes. The plants in the Solanum genus are characterized by their alternate leaves and star-shaped flowers, which can be white, purple, or blue. Some species produce toxic compounds, making them inedible or harmful. Overall, Solanum plays a significant role in agriculture and horticulture worldwide.