Shobha Menon, Founder-Trustee, said that one of the trees was a Vadhanarayanan tree, believed to be more than 75 years old. “In ancient times, the leaves of the tree were used to cure rheumatism,” she said. Another ancient tree, a Vengai variety, has been extolled in Sangam literature, Shobha said. “There have been stories of how Lord Muruga turns into a Vengai tree.