guayule

 
Pronunciation: /gwʌɪˈuːli/

noun

  • a silver-leaved Mexican shrub of the daisy family which yields large amounts of latex.
    • Parthenium argentatum, family Compositae
  • [mass noun] a rubber substitute made from the guayule.

Origin:

early 20th century: via Latin American Spanish from Nahuatl cuauhuli