Citrus refers to a group of flowering plants in the family Rutaceae, known for their juicy and tangy fruits. Common examples include oranges, lemons, and limes, which are rich in vitamin C and widely used in cooking and beverages. These fruits thrive in warm climates and are cultivated in many parts of the world. Citrus fruits are not only enjoyed for their refreshing taste but also have numerous health benefits, including boosting the immune system and aiding digestion.