blue brown bushes clouds Desert Forest Dirt grasses gray green pines red Red Rocks sand sky trees Utah white wildflowers Arizona autumn barb beauty beige bloom blossom bur close closeup defense desert fall field flora flower food forest grass herbal lavender macro meadow medicine natural nature needle November october orange petal pink plant prairie purple scotland seed sharp spear spike spine spiny spring summer thistle weed wild wildflower colours landscape layers Painted Desert Petrified wood shrubs siltstone wilderness