autumn bark branches coated colors colours cones conifer conifers covered damp extensive fall foliage gray green grey large lichen lichen covered moist pine pine cones pine needles pine tree rough spreading tangled textured tree tree top turned twisted windswept abstract appearance backgrounds brown bumps close-up cracks edge edges layers patterns ridges shades of colour smooth strips surface surfaces texture textures tree trunk trunk uneven variations varieties wallpaper wood Australian melaleuca rhaphiophylla melaleucas myrtaceae paper-like paperbark peel peeling useful background bare cracked dry eucalypt eucalypts grooves lines mottled self-shedding shadows shapes shedding sunlight