Grewia retusifolia

{{Short description|Species of flowering plant}}

{{redirect|Diddle diddle|the nursery rhyme|Hey Diddle Diddle}}

{{Speciesbox

|image = Grewia retusifolia fruit.jpg

|genus = Grewia

|species = retusifolia

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Liu, B. |author2=Qin, h. |author3=Botanic Gardens Conservation International (BGCI). |author4=IUCN SSC Global Tree Specialist Group |date=2019 |title=Grewia retusifolia |volume=2019 |page=e.T147615820A147615822 |doi=10.2305/IUCN.UK.2019-2.RLTS.T147615820A147615822.en |access-date=18 November 2021}}

|authority = Kurz.{{cite web |url=http://www.anbg.gov.au/cgi-bin/apni?TAXON_NAME=Grewia+retusifolia|title=Grewia retusifolia |accessdate=2009-07-11|work= Australian Plant Name Index (APNI), IBIS database|publisher = Centre for Plant Biodiversity Research, Australian Government, Canberra}}

}}

Grewia retusifolia is a shrub species in the family Malvaceae. Common names include dysentery bush, emu-berry, dog's balls, turkey bush and diddle diddle.{{FloraBase|name=Grewia retusifolia |id=4872 }} It is widespread in tropical and subtropical areas of Eastern Australia and Northern Western Australia.{{cite book|author=Cribb, J.W. & Cribb, A.B.| title=Wild Food in Australia| publisher=Fontana/Collins |location= Sydney | year=1975 | ISBN= 0-00-634436-4}} The species produces small, sweet, two-lobed fruit with a fibrous acidic pulp surrounding the seeds. Leichhardt described the fruits as having a very agreeable taste, which could be boiled to make a refreshing drink. Indigenous Australians use the bark and leaves in medications.{{cite book|author=Low, T.| title=Wild Food Plants Of Australia| publisher=Angus & Robertson|location= Australia | year=1991 | ISBN= 0-207-16930-6}} The crushed leaves were used as a poultice to relieve toothaches.

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