The blue palo verde tree (Parkinsonia florida) is one of two native Arizona palo verde trees, the other being Foothills palo verde. Of the two, blue palo verde is larger and naturally grows in washes, ...

The Palo Verde tree with its drought tolerance, attractive bark, contrasting bloom color, and manageable size makes it a tree worth knowing. Palo Verde — Spanish for “green pole” or “green stick” ...

The bark of a palo verde tree is green because it's filled with chlorophyll. Unlike most trees, this plant gets a lot of photosynthesizing done through its bark. According to The Arizona Native Plant ...