Maha Vilvam or Maha Bilva is a kind of Bilva tree which consists of 5 to 27 leaves in each bunch. There will be 5 to 11 leaves at the different bunch of the same tree.
It contains some B-complex vitamins, as well as carotene, Vitamin C and Tartaric acid among other things.
The fruit pulp can be used as detergent and some poor families use it instead of soap. Sometimes the gum is added to lime plaster and cement, and some artists use it to coat paintings to preserve their water colors.