art background curves design flourish graphics green grid leaf nature plant red spiral spring summer swirl tree wallpaper white background yellow fiery vector blue angles araucaria heterophylla Australian conifer branches color colour common conifer dense depth evergreen focus foliage greenery horizontal whorls incurved indoor plant lanceolate living Christmas tree narrow leaves Norfolk pine ornamental outdoor plant overlapping pine potted plant prolific pyramid shape shapes symmetrical textures blooms pollination quince spring. flowering blooming flower growing landscape mountain pink reaching sky reaching growing stretching abundant cascade England kent laburnum profusion flowers magnolia petals texture white blossom blossoming blue white garden gardening