Daniel Heuclin / Yellow Palo Verde / Foothill Palo Verde (Parkinsonia microphylla / Cercidium microphyllum) growing in habitat. Foothills of Santa Catalina mountains. Arizona, USA, September.

Martin Gabriel / Palo verde shrubs (Parkinsonia aculeata) growing in limestone hills, Palo Verde National Park, Costa Rica, February 2009

Martin Gabriel / Palo verde shrubs (Parkinsonia aculeata) in limestone hills, Palo Verde National Park, Costa Rica, February 2009

Rolf Nussbaumer / Paloverde {Parkinsonia texana} flowers, Rio Grande Valley, Texas, USA, March

Tim Fitzharris / Palo Verde (Cercidium sp) blooming, Joshua Tree National Park, California

Tim Fitzharris / Palo Verde (Cercidium sp) blooming, Joshua Tree National Park, California