Zanthoxylum rhoifolium is a species of flowering plant in the citrus family known by the common names mamica de cadela, tambataru, and prickly ash. It is native to South America. It is a common tree on the Cerrado. This species is a deciduous tree reaching up to 12 meters in height. It produces a spherical black capsule about half a centimeter in length and width containing small, hard-coated seeds. The tree is not shade tolerant, so it can be found in open areas in and around forests.