Research and Conservation in Southern Sonora, Mexico
Parkinsonia praecox (palo brea)
syn. Cercidium praecox
 Parkinsonia praecox in Plains of Sonora south of Hermosillo, Sonora. Photo: Mark Dimmitt |
 Parkinsonia praecox bark. The coarse granular texture and particular shade of green are diagnostic. Photo: Mark Dimmitt |
 The wands of flowers on Parkinsonia praecox stems is a distinctive character of the species. Photo: Mark Dimmitt |
 Flowers of Parkinsonia praecox. Photo: Mark Dimmitt |