abstract
bark
black
botany
chipped
close up
confine
construction
contours
covering
decline
deteriorate
environment
fiber
fibrous
flat
fracture
fragment
greenery
lumber
material
nature
old
outline
partition
peel
peeling
pieces
planks
plant
rigid
rind
rough
separate
shape
solid
split
stem
stiff
stripe
strong
structure
texture
timber
tree
trunk
vegetation
wood
wooden
worn