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
Balete tree The India rubber plant, "F. elastica" were earlier cultivated to some extent for rubber. Some of the species like "tangisang-bayawak" or "Ficus variegata" are large and could probably be utilized for match woods. The woods of species of Ficus are soft, light, and of inferior quality, and the trees usually have ill-formed, short boles. Baletes are planted as graceful trees along avenues in Manila and other large cities in the Philippines, and they are also excellent as shade trees. Several species of the tree are also use for bonsai making in the country. Baletes are used as houseplants; however, it