Araucaria columnaris, the Coral reef araucaria, is a unique species of conifer in the Araucariaceae

Araucariaceae

Araucariaceae, commonly referred to as araucarians, is a very ancient family of coniferous trees. It achieved its maximum diversity in the Jurassic and Cretaceous periods, when it was distributed almost worldwide...

 family. It is endemic to New Caledonia

New Caledonia

New Caledonia is a special collectivity of France located in the southwest Pacific Ocean, east of Australia and about from Metropolitan France. The archipelago, part of the Melanesia subregion, includes the main island of Grande Terre, the Loyalty Islands, the Belep archipelago, the Isle of...

 in the southwestern Pacific.
It is a distinctive narrowly conical tree to 60 metres (196.9 ft) tall. The female cone is 10-15 cm. long by 7-11 cm. wide.
Araucaria columnaris is among the most common Araucarias planted as an ornamental tree and street tree in warm temperate climates.