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$5 tree.JPG

A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to 6 m; some authors set a minimum of 10 cm trunk diameter (30 cm girth). Woody plants that do not meet these definitions by having multiple stems and/or small size are called shrubs. Compared with most other plants, trees are long-lived, some reaching several thousand years old and growing to up to 115 m (379 ft) high.

Trees are an important component of the natural landscape because of their prevention of erosion and the provision of a weather-sheltered ecosystem in and under their foliage. They also play an important role in producing oxygen and reducing carbon dioxide in the atmosphere, as well as moderating ground temperatures. They are also elements in landscaping and agriculture, both for their aesthetic appeal and their orchard crops (such as apples). Wood from trees is a building material, as well as a primary energy source in many developing countries. Trees also play a role in many of the world's mythologies (see trees in mythology).

Selected article

Christmas Tree
A lit up Christmas Tree with ornaments.

The Christmas tree, also known as a Yule tree, is a decorated evergreen coniferous tree, real or artificial, and a tradition associated with the celebration of Christmas. The tradition of decorating an evergreen tree at Christmas started in Livonia and Germany in the 16th century. The Christmas tree is traditionally brought into the home and decorated with Christmas lights (originally candles), ornaments, garlands, tinsel, and candy canes during the days around Christmas. An angel or star is placed at the top of the tree, representing the host of angels or the Star of Bethlehem from the Nativity.

Selected biography

Two Leg Tree

Axel Erlandson (December 15, 1884 – April 28, 1964) was a Swedish American farmer who shaped trees as a hobby, and opened a horticultural attraction in 1947 advertised as "See the World's Strangest Trees Here," and named "The Tree Circus."

The trees appeared in the column of Robert Ripley's Believe It or Not! twelve times. Erlandson sold his attraction shortly before his death. The trees were moved to Gilroy Gardens in 1985. Read more...

In the news

Live news related to trees...

  • Taper model for Eucalyptus nitens
  • Anne Frank tree saved from being chopped down
  • Age of Britain's Tolpuddle Martyrs tree discovered
  • Girl killed by falling tree
  • 380 million year old fossilized trees found in New York, USA
  • Trees continue to die in Houston, Texas
More current events...
Current events on Wikinews

Selected picture

The same poplar tree in four seasons.

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Juvenile leaves of prickly ash


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