| Noun | 1. | family Zygophyllaceae - small trees, shrubs, and herbs of warm arid and saline regions; often resinous; some poisonous: genera Zygophyllum; Tribulus; Guaiacum: LarreaGeraniales, order Geraniales - an order of plants of subclass Rosidae including geraniums and many other plants; see Euphorbiaceae; Geraniaceae; Rutaceae; Malpighiaceae; Simaroubaceae; Meliaceae; Zygophyllaceae; Tropaeolaceae genus Zygophyllum, Zygophyllum - usually tropical herbs or shrubs having ill-smelling foliage and flower buds that are used as capers: bean capers genus Larrea, Larrea - xerophytic evergreen shrubs; South America to southwestern United States | |