Castilla elastica 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 gathered from "Castilla elastica" was converted into usable rubber by mixing the latex with the juice of the morning glory species "Ipomoea alba" which, conveniently, is typically found in the wild as a vine climbing "Castilla elastica". The rubber produced by this method found several uses, including most notably, the manufacture of balls for the Mesoamerican ballgame "ōllamaliztli". The Aztec
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,