Lathyrus is a genus of flowering plants in the legume family, known for its climbing or trailing habit. These plants are commonly referred to as sweet peas or vetchlings and are found in various regions around the world. They typically produce attractive flowers in a range of colors, making them popular in gardens and landscapes. Many species of Lathyrus are cultivated for their ornamental value, while others are grown for their edible seeds. However, some species contain toxins that can be harmful if consumed in large quantities. Overall, Lathyrus plays a significant role in both horticulture and ecology.