yellow wild mustard in the zin valley in israel

aka akev annual arid backlight beautiful bed ben boker boqer brassicaceae climate clump coarse cruciferae desert diplotaxis ecosystem environment family flower glowing green growing gurion habitat harra harsh highlands hiking israel jeep midreshet mountains mustard nahal natural nature negev outdoor plant reserve road rocket rocky sand sandy sde season spring stream streambed touring travel valley vegetation wild wilderness wildflower winter yellow zin