Gunniopsis calva

Gunniopsis calva, commonly known as the smooth pigface, is a succulent plant in the iceplant family, Aizoaceae. It is endemic to Australia.
The annual herb is glabrous and typically grows to a height of. It has striated and terete branchlets. The succulent yellow-green leaves are ovate or oblong in shape, approximately long and wide. It blooms between August and October producing small yellow solitary flowers.
It is found around the margins of salt lakes in the area north of Port Augusta to central South Australia where it grows in sandy or clay soils.
The species was first formally described by Robert Chinnock in 1983 in the article The Australian genus Gunniopsis Pax in the Journal of the Adelaide Botanic Gardens.