Joshua Tree National ParkÂ is aÂ United States National ParkÂ located in theÂ Southern California Desert. The park encompasses nearly 800,000 acres of the Mojave and Colorado Deserts, conserving of two separate desert ecosystems at different altitudes. The name of the park is derived from the distinctive Joshua Tree, a tall-growing variety of theÂ yuccaÂ genus that grows prevalently within its boundaries.
The Joshua TreeÂ â€˜Yucca brevifoliaâ€™Â is a plant species belonging to the genusÂ Yucca. It is tree-like in habit, which is reflected in its common names.Â The Joshua TreeÂ is native to southwesternÂ North AmericaÂ in the states ofÂ California,Â Arizona,Â UtahÂ andÂ Nevada, where it is confined mostly to theÂ Mojave DesertÂ between 400 and 1,800 meters (1,300 and 5,900Â ft) elevation. It thrives in the open grasslands of Queen Valley and Lost Horse Valley inÂ Joshua Tree National Park.