ancient bark branches gnarled green gruen old olive Sardinia tree trees wood botanic garden botanical botany forest nature skin texture timber timberwoods wood close-up cracked crevasse crevice fissured gray grey hard natural Phellodendron protection protective rough background brown conifer Montezuma Bald Cypress pattern plant Taxodium mucronatum trunk lumber mushroom mushrooms plants polypori polyporus polyporuses rotten blue branch clouds colour contrast dead tree desolate eucalyptus light light and dark shadows sky sunburned bud budding copyspace isolated leaves life New sprig spring young