Mojave Yucca (Yucca schidigera)
Agave Family
Found: Rocky slopes and canyons to 7,000 feet, Mojave and Colorado deserts.
About: Yucca is also known as Spanish Bayonet for the stiff, dagger-like, leaves.
The famous Joshua Tree is a yucca.
Yucca roots and stalks contain saponins, which produce suds, and are used in shampoos today, a use borrowed from the native Americans.