Forest and Kim Starr, Starr Environmental, Bugwood.org

Habit

Patti Anderson, Division of Plant Industry, Bugwood.org

Teeth along petiole margins.

Patti Anderson, Division of Plant Industry, Bugwood.org

Young palm abaxial surface with costa.

Patti Anderson, Division of Plant Industry, Bugwood.org

Adaxial hastula.

Patti Anderson, Division of Plant Industry, Bugwood.org

Leaf segment marginal fibers.

Patti Anderson, Division of Plant Industry, Bugwood.org

Close view of teeth along petiole margins.

Patti Anderson, Division of Plant Industry, Bugwood.org

Base of columnar stems.

Patti Anderson, Division of Plant Industry, Bugwood.org

Coachella Valley Preserve, Thousand Palms Oasis.