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 e
(Wikipedia)