Larrea
 Larrea is a genus of flowering plants in the caltrop family Zygophyllaceae. It contains five species of evergreen shrubs that are native to the Americas. The generic name honours Spanish scientist J.A. Hernández Pérez de Larrea. South American members of this genus are known as jarillas and are so closely related that hybrids are partially fertile. One of the more notable species is the Creosote Bush (L.