The kauri (Agathis australis) is one of the largest and longest-living trees in the world. Trees with trunk diameters of 7 metres and ages of 1,500–2000 years have been reported. The kauri belongs to the ancient conifer family, Araucariaceae, and it is thought to have evolved in the Australia–New Zealand region some 20 million years ago. Before humans arrived, kauri forest covered much of the northern North Island.
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Department of Conservation
Photograph by Tony Lilleby
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