Tetragonia eremaea is a member of the genus Tetragonia and is endemic to Australia.
The annual herb has a prostrate habit that typically grows to a height of . It blooms between August and October producing yellow-green flowers.
The plant is often found over granite or limestone and has a distribution throughout southern Australia https://avh.ala.org.au/occurrences/search?taxa=Tetragonia+eremaea#tab_mapView/
The species was first formally described by the botanist Carl Hansen Ostenfeld in 1921 in the article Contributions to West Australian Botany, part III : Additions and notes to the flora of extra-tropical W. Australia. in the journal Biologiske meddelelser, Kongelige Danske Videnskabernes Selskab.
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