Genus Lactuca, commonly known as lettuce, is a species of flowering plant that falls under the family Asteraceae. It is an annual herb that is widely cultivated for its crispy green leaves. Besides its scientific name, Genus Lactuca has a variety of synonyms that describe the plant's characteristics and uses. Some of these synonyms include Lactuca scariola var. sativa, which is a cultivated variety of the species, and Lactuca longifolia, which is a type of lettuce with elongated leaves. Other synonyms for Genus Lactuca include salad greens, leafy greens, and romaine lettuce. Overall, Genus Lactuca and its synonyms represent a nutritious and versatile plant that features in countless culinary dishes worldwide.