abstract appearance backgrounds bare bark brown bumps close-up colors colours cracked cracks dead dry edge edges gnarled gray grey grooves layers lines moss mottled patterns peeling ridges rough shades of colour shapes smooth strips Stump sunlight surface surfaces texture textured textures tree Tree Stump tree trunk trunk uneven variations wallpaper wood adansonia gregorii Australian baobab Australian boab barrel trunk boab boab tree bottle tree brown-gray brown-grey cream dead rat tree deciduous distinctive flower flowers fruit furry gadawon gouty stem tree grotesque indigenous Kimberley native large nut road verge shape slow-growing smooth bark soft fibrous wood useful verge water retention white adansonia-gregorii Australian-baobab Australian-boab barrel-trunk boab-tree bottle-tree damage damaged dead-rat-tree diseased gouty-stem-tree Kimberley-native pitted recovery repairing self-repairing smooth-bark soft-fibrous-wood water-retention wounded wounds