Rubber tree, South American tropical tree of the spurge family (Euphorbiaceae). Cultivated on plantations in the tropics and subtropics, especially in Southeast Asia and western Africa, it replaced the rubber plant in the early 20th century as the chief source of natural rubber.
Natural Rubber: Material Basics, History, and Fun Facts - Echo Supply
The wonder material we all need but is running out
Facts About the Rubber Tree: History, Description and Uses - HubPages
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Rubber Tree Rainforest Alliance
Ficus Rubber Tree Burgundy Tree Form Double – Eureka Farms
How to Grow and Care for Rubber Tree Plants (Ficus elastica)
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