Eriaxis is a monotypic genus of orchids in the subfamily Vanilloideae.

The sole species is Eriaxis rigida, endemic to New Caledonia.

[3] Its closest relative is Clematepistephium,[4] also endemic to New Caledonia.

It is widespread on the main island of Grande Terre, but also occurs on the Belep Islands in the north and the Isle of Pines in the south.

[1] It grows in metal-rich, nutrient poor soils in humid forests and maquis shrubland at altitudes from sea level up to 1,000 m (3,300 ft).