Tetragonia diptera is a member of the genus Tetragonia and is endemic to Australia.

The annual or perennial herb has a prostrate to semi-erect habit that typically grows to a height of 5 to 10 centimetres (2.0 to 3.9 in).

It blooms between July and August producing yellow-green flowers.

[1] The plant is often found among limestone outcrops or on sand dunes and has a scattered distribution throughout the Gascoyne, Mid West and Wheatbelt regions of Western Australia where it grows in sandy or loamy soils.

[1] The species was first formally described by the botanist Ferdinand von Mueller in 1878 in the work Fragmenta Phytographiae Australiae.