''Breynia cernua'' grows naturally in

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

and

Malesia Malesia is a biogeographical region straddling the Equator and the boundaries of the Indomalayan and Australasian realms. It is a phytogeographical floristic region in the Paleotropical kingdom. It was first recognized as a distinct region ...

as a shrub up to in height. ''Breynia cernua'' presumably is dependent on leafflower moths (''Epicephala'' spp.) for its pollination, like other species of tree in the genus ''Breynia''. The plant is known by the rather unfortunate name of fart bush.

References

Flora of New Guinea Flora of Queensland Flora of Western Australia Flora of the Northern Territory Flora of the Solomon Islands (archipelago) Flora of Sulawesi Flora of the Philippines Flora of Borneo Flora of Java Flora of Malesia Plants described in 1866 cernua Malpighiales of Australia {{Australia-rosid-stub