| Noun | 1. | Larrea - xerophytic evergreen shrubs; South America to southwestern United States rosid dicot genus - a genus of dicotyledonous plants bean-caper family, family Zygophyllaceae, Zygophyllaceae - small trees, shrubs, and herbs of warm arid and saline regions; often resinous; some poisonous: genera Zygophyllum, Tribulus, Guaiacum, Larrea coville, creosote bush, hediondilla, Larrea tridentata - desert shrub of southwestern United States and New Mexico having persistent resinous aromatic foliage and small yellow flowers |