hevea

1. (botany) Any of the genus Hevea of flowering plants in the spurge family, including the economically important rubber tree Hevea brasiliensis.Examples: "Tire executives say that global demand for tires, which use as much as 70 percent of the world’s rubber supply, will expand as less developed nations industrialize, requiring roughly 21 million additional acres of hevea, the source of natural rubber, by 2024."