The cypress knees function not unlike the barb on a fish hook. When fierce winds push on the tree's trunk, there is exerted a distinct pull on the tree's support roots.

A 3,500-year-old cypress tree in Beijing's suburban Miyun district has regained its vitality as evidenced by its young sprouts and fresh fruit, thanks to the government's protection efforts.

The bald cypress stands by a fish-shaped pond and white footbridge at the William Paca House and Garden. A 65-foot specimen with refreshing shade, it looks as old-fashioned as its surroundings in A… ...

As to the problem with knees, most cypress trees planted in well-drained average landscapes do not produce knees. But once a tree starts, there is no way to make it stop other than removing the tree.

This particular example has a trunk that measures 4 meters in diameter (around 13 feet), and is 28 meters tall and probably started its life at the time when humans were first inventing writing.

A tree with a twisted trunk in Cornwall will be part of a network of ancient trees dedicated to the Queen as part of the Platinum Jubilee celebrations.

The tree is at least 2,624 years old. It sits in a forest among other bald cypress trees that have been around for more than 2,000 years. Bald cypress trees are the fifth oldest tree species known ...