Tetratheca nephelioides is a species of plant in the quandong family that is endemic to Australia.
The species grows as a small, erect, clumped shrub to 40 cm in height and 80 cm wide. The deep mauve to magenta flowers appear in September.[1]
The range of the species lies within the Geraldton Sandplains IBRA bioregion of south-west Western Australia, some 240 km north of the city of Perth near the town of Eneabba. The plants grow on sandy, clayey, gravelly and lateritic soils.[1]
The species has been listed as Critically Endangered under Australia's EPBC Act. Threats include disturbance from power line and firebreak maintenance activities.[2]