The Salt tree is a drought-tolerant shrub of the Order Sapindales. It can grow up to 2.5 meters. This plant is native to the Northern African desert areas.
- The leaves of the Salt tree are alternate, wedge or sickled-shape, fleshy, and bluish-grey. The leaves measure 10 to 15 mm by 8 to 10 mm.
- The flowers of Nitraria retusa are small, fragrant, and whitish or greenish. They have 5 petals on short pedicels.
- The Salt tree has many erect stems, and the woody branches are spreading. When young, the twigs of the Nitraria retusa are furry.
- The Salt tree has fruits of a triangular drupe.