Salvadora persica
The interior of the PA is a complex pristine mountain wilderness, inhabited by a diversified wildlife, including several endangered species, and representing enormous attractions for ecotourism activities. Wadi El Keed watershed is one of the largest drainage basins to the Gulf of Aqaba on the Egyptian side. It can be considered as the best-vegetated wadi all over the Gulf, having the biggest aggregation of the Arak Sand Dunes ("Salvadora persica") representing a unique vegetation.