It is the yellow palo verde.
The State Bird of Arizona is the Cactus Wren. Saguaro cactus bloom is the official state flower in Arizona. Palo Verde is the official state tree in Arizona.
Palo VerdeSource(s): AZ.gov (The State of Arizona)
Arizona I'm positive.
The Arizona Tree Frog since 1986.
Arizona
never ever says why the tree was select
The Palo Verde.
In 1954
The Blue Palo Verde.
The Arizona Tree Frog was made state amphibian of Arizona after it was elected so by a statewide vote of school children in 1985.
Because it is special to Arizona, California and Sonora's desert environment.
Nut Pine or Pinyon:Nut pine or pinyon (Pinaceae Pinus edulis) was adopted on March 16, 1949 as the state tree, the same day the roadrunner was adopted as the state bird. Note: The most common spelling of this tree in New Mexico is piñon, not pinyon. Both are valid spellings of the word.