Castilla elastica (Nahuatl) word for rubber was "ulli / olli", from which their word for the ballgame derived), and also their name for the ancient people they associated with the origin of the ballgame, the Olmecs ("olmeca": "rubber people"). The Nahuatl word for the tree of "Castilla elastica" is olicuáhuitl; in Spanish it is known as palo de hule. Caucho, castilloa rubber. Castilla elastica Castilla elastica, the Panama rubber tree, is a tree native to the tropical areas of Mexico, Central America, and northern South America. It was the principal source of latex among the Mesoamerican peoples in pre-Columbian times. The latex
Ficus racemosa The bark of "audumbar" ("oudumbar") tree is said to have healing power. In countries like India, the bark is rubbed on a stone with water to make a paste, which can be applied over afflicted by boils or mosquito bites. Allow the paste to dry on the skin and reapply after a few hours. For people whose skin is especially sensitive to insect bites, this is a very simple home remedy. Ficus racemosa Ficus racemosa (syn. Ficus glomerata ) is a species of plant in the family Moraceae. Popularly known as the cluster fig tree, Indian fig tree or goolar