In Botany it is one of the common names of a plant of the family Ranunculaceae. It is also called matapiojos, parrín,rrón, pituitary or abarraz. Its scientific name is Delphinium staphisagria. It is toxic and bitter taste.
It refers to the poisonous herbaceous plant, whose powdered seeds are used against lice.
llamábase albarraz in the Medieval Spain the expert Warrior ( a champion, so ) He struggled his Lord against another Warrior expert of the opposite side, in such a way that the battle the dirimían these two combatants on behalf of their respective Masters; It is a word of Arabic origin.