See text Atraphaxis is a genus of flowering plants in the family Polygonaceae with about 40 species.

Species of Atraphaxis are much branched woody plants, forming shrubs or shrubby tufts.

The flowers have persistent tepals, either arranged in a narrow tube with unequal lobes or bell-shaped with equal segments.

Molecular phylogenetic studies have shown that Atraphaxis forms a distinct clade.

Within the tribe, it is most closely related to the genera Duma and Polygonum, forming the so-called "DAP clade".