gnarled 
/ˈnɑrəld/ adjective
/ˈnɑrəld/ adjective [more gnarled; most gnarled] 1 of wood : having many twists and hard bumps or knots
▪ gnarled branches ▪ an ancient gnarled tree 2 : bumpy or twisted
▪ the old man's gnarled fingers/hands
▪ gnarled branches ▪ an ancient gnarled tree
▪ the old man's gnarled fingers/hands
