The ancient monkey puzzle tree has distinctive spiny leaves and intricate scaly branches. Its unusual features, scientists believe, evolved as a defense against towering, long-necked dinosaurs.

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Monkey-Puzzle Tree is a wild, "scary" evergreen with open splaying and ...

Scientists say that Araucaria araucana, commonly known as the monkey puzzle tree, is now endangered and faces the risk of extinction. Known to be one of the most resilient species, the plant outlived ...