Solanum quadriloculatum is known under the (ambiguous) common names of "bush tomato

Bush tomato

The term bush tomato refers to the fruit or entire plants of certain nightshade species native to the more arid parts of Australia. While they are quite closely related to tomatoes , they might be even closer relatives of the eggplant , which they resemble in many details...

" or (in Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

) "wild tomato". It is a small fruiting shrub in the Solanaceae

Solanaceae

Solanaceae are a family of flowering plants that include a number of important agricultural crops as well as many toxic plants. The name of the family comes from the Latin Solanum "the nightshade plant", but the further etymology of that word is unclear...

 family. It was and occasionally still is included in S. ellipticum

Solanum ellipticum

Solanum ellipticum is known as Potato Bush and under the more ambiguous name of "bush tomato". The Arrernte name of merne awele-awele might refer to this species, and/or to the similar S. quadriloculatum...

by some authors, but generally these two species of "bush tomatoes" are considered distinct nowadays.

It is native to Australia, where it is found primarily in shrubby eucalypt woodland and arid-zone shrublands.