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 tsjahela Ficus tsjahela Ficus tsjahela is a fig tree from the family Moraceae which is found in peninsular India and Sri Lanka. It is commonly known as the "Kaaral" in Malayalam, "Kal-aal" in Tamil and "Boviyamara" in Kannada. "Ficus tsjahela" occurs in coastal regions of Maharashtra and Karnataka, all districts of Kerala and in many districts of Tamil Nadu. In Maharashtra, the tree is found in Ahmednagar, Ratnagiri, Satara and Sindhudurg districts. In Karnataka, "F. tsjahela" occurs in Chikmagalur, Hassan, Mysore, Shimoga, North and South Kanara districts. In Tamil Nadu, the tree ranges in Coimbatore, Dharmapuri, Kanyakumari, Nilgiri, Salem, Tirunelveli, Tiruvannamalai,