Decalepis hamiltonii is a species of plant in the family Apocynaceae.It is endemic to Peninsular India and known by its names of maredu kommulu, nannari kommulu or madina kommulu in Telugu, makali beru or vagani beru in Kannada and magali kizhangu in Tamil is a plant whose root is used in Ayurvedic medicines and for use in pickles and to make sharbat.