Causonis trifolia

{{Short description|Species of vine}}

{{Use dmy dates|date=July 2019}}

{{Speciesbox

|image = Causonis trifolia (L.) Mabb. & J.Wen (53231557411).jpg

|image_caption = Leaves and ripe fruit in Rajbari, Bangladesh

|genus = Causonis

|species = trifolia

|authority = (L.) Mabb. & J.Wen{{R|POWO|GBIF}}

|synonyms =

{{collapsible list|title=13 synonyms|bullets=on

|Cayratia trifolia {{small|(L.) Domin}}

|Cissus trifolia {{small|(L.) K.Schum.}}

|Columella trifolia {{small|(L.) Merr.}}

|Vitis trifolia {{small|L.}}

|Cayratia carnosa {{small|(Lam.) Gagnep.}}

|Cayratia trifolia var. cinerea {{small|(Lam.) Gagnep.}}

|Cissus carnosa {{small|Lam.}}

|Cissus cinerea {{small|Lam.}}

|Cissus psoraliifolia {{small|(F.Muell.) Planch.}}

|Vitis carnosa {{small|(Lam.) Wall.}}

|Vitis crenata {{small|Wall.}}

|Vitis psoraliifolia {{small|F.Muell.}}

|Vitis scabicaulis {{small|Wall.}}

}}

|synonyms_ref = {{R|POWO}}

}}

Causonis trifolia commonly known as bush grape, fox-grape, three-leaved wild vine or threeleaf cayratia is a species of liana plant native to Australia and Asia. It has black-colored berries, and its leaves contain several flavonoids, such as cyanidin and delphinidin. Hydrocyanic acid is present in the stem, leaves and roots.{{GRIN}}{{cite book | author=G. J. H. Grubben, O. A. Denton|title=Vegetables |page=166| publisher=Backhuys Publishers }}{{cite book | author=Ian W. B. Thornton|title=Krakatau| year= 1997|pages=121, 155| publisher=Harvard University Press }}{{cite book | author= C. P. Khare|title=Indian Medicinal Plants| year= 2008|page=132| publisher=Springer}}