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 altissima is obtained. It has been planted in southern Florida, where it didn't used to seed because there weren't any native insects available to pollinate the flowers. However, non-native wasps ("Eupristina" sp.), that have become established in the area, seems capable of pollinating it and the tree is now proliferating and becoming invasive. Ficus altissima Ficus altissima, commonly known as the council tree, is a species of flowering plant, a fig tree in the family Moraceae. It is a large, stately evergreen tree and is native to southeastern Asia. "Ficus altissima" is a large, evergreen forest tree with a buttressed trunk