guayule /gwä-ūˈlā/

1. A silvery-leaved shrub of the daisy family (Parthenium argentatum), native to Mexico and SW USA
2. The rubber yielded by it

• uncrushable
• uncrystallisable
• uncrystallised
• uncrystallizable
• uncrystallized
• UNCTAD
• unction
• unctions
• unctuosities
• unctuosity
• unctuous
• unctuously
• unctuousness
• unctuousnesses
• uncuckolded
• unculled
• uncultivable
• uncultivatable
• uncultivated
• uncultured
• uncumbered
• uncurable
• uncurbable
• uncurbed
• uncurdled