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 superba var. henneana In 1868 it was named "Ficus henneana". Joseph Banks also collected this plant from the Booby Island on August 23, 1770. That specimen may have been from the same tree as Henne's specimen, (as the island is so small). Banks' plant was named in 1901 after the Endeavor's artist Sydney Parkinson, (Ficus parkinsonii). However, this name fell out of favour as "Ficus henneana" was already named in 1868. The specific epithet "superba" is from Latin referring to "outstanding" or "superb". The plant has had other scientific names, such as "Ficus gracilipes", "Ficus pritzelii" and "Urostigma superbum". The tree is semi