Arugula (Eruca sativa) is a peppery, distinctive-tasting green that originated in the Mediterranean region. It’s also known as rucola, salad rocket or roquette, and Italian cress. Arugula leaves are tender and bite-sized with a tangy flavor. Along with other leafy greens, arugula contains high levels of beneficial nitrates and polyphenols. It is a good dietary choice for a healthy body and keeping the mind clear and focused.