guayule
☆
noun
- a small shrub (Parthenium argentatum) of the composite family, grown in N Mexico, Texas, etc. for the rubber obtained from it
- this rubber
See guayule in American Heritage Dictionary 4
(gwī-o͞oˈlē)
noun A shrub (Parthenium argentatum) of the southwest United States and Mexico whose sap was considered a potential source of natural rubber during World War II.
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