Atriplex acanthocarpa is a species of flowering plant in the amaranth family known by the common names armed saltbush, tubercled saltbush, and huaha. It is native to North America, where it is limited to the US states of Arizona, New Mexico, and Texas, and adjacent Mexico. This species is well-adapted to saline soils, and it can be planted on salty and alkaline substrates. This species blooms in late summer through the fall.