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 verruculosa Ficus verruculosa Ficus verruculosa, the water fig, is a species of fig from sub-saharan Africa. It is found from north eastern South Africa, northern Botswana and Namibia to Uganda and west to Nigeria in riverine and swamp fringes or grassland, always near water. It is pollinated by the wasp "Platyscapa binghami". The growth form of "Ficus verruculosa" is as a shrub, or weak-stemmed, sparsely branched shrub 0.2-0.6 m tall, less often a small tree up to 12m, often forming low, creeping thickets. Leaves oblong to lanceolate, 3.5-20 x 1.5-8.5 cm, leathery, hairless. Figs are produced mostly in pairs in leaf