blooming caper bush capparis spinosa on a chert cliff in the negev desert

arad arid beautiful black blooming bush canyon caper capparis chert cliff climate conditions desert desertscape difficult dry early ecology edible flintstone flowers geology geomorphology habitat harsh hike hiking israel judaean judean landscape natural nature negev one plant rock rocky sedimentary south southeast spinosa summer survival surviving survivor thorny touring trail travel trekking wadi water wild wilderness