patterned gum tree bark, australian nature

abstract art australia australian background bark beige blotch blotches blotchy bole closeup color coloration colour colouration design detail details eucalyptus exfoliation flake flora gray grey gum layer macro mottled natural nature patches pattern patterned peel peeling plant speckled spotted structure structures surface texture textures tree trunk vertical wallpaper wood wooden woody geometric shapes close-up mobile phone vertical