It is one of the names given in Spain to the labresto or jaramago. It is one of the common names of a vegetable or leafy vegetable. There are three different species: Eruca vesicaria , Diplotaxis tenuifolia and Diplotaxis muralis . They belong to the brassicaceae family. It is also commonly called arugula, ruca, caterpillar, ruqueta, arugula and jaramago.