Tetradymia glabrata is a species of flowering plant in the aster family known by the common name littleleaf horsebrush.

[1] It is an erect, bushy shrub growing to a maximum height over 1 metre (3+1⁄2 ft),[2] its stems coated unevenly in white woolly fibers with many bare strips.

The narrow, pointed leaves are usually no more than a centimeter long and most occur in clusters along the branches.

The inflorescence bears up to seven flower heads which are each enveloped in four woolly phyllaries.

It is native to the western United States, especially the Great Basin and Mojave Desert.