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Araucaria heterophylla (synonym A. excelsa) is a species of conifer. As its vernacular name Norfolk Island pine (or Norfolk pine ) implies, the tree is endemic to Norfolk Island , an external territory of Australia located in the Pacific Ocean between New Zealand and New Caledonia .
Araucaria (/ æ r ɔː ˈ k ɛər i ə /; original pronunciation: [a.ɾawˈka. ɾja]) [ 2 ] is a genus of evergreen coniferous trees in the family Araucariaceae . While today they are largely confined to the Southern Hemisphere , during the Jurassic and Cretaceous they were globally distributed.
Araucariaceae is a family of conifers with three living genera, Araucaria, Agathis, and Wollemia.While the family's native distribution is now largely confined to the Southern Hemisphere, except for a few species of Agathis in Malesia, it was formerly widespread in the Northern Hemisphere during the Jurassic and Cretaceous periods.
Araucaria araucana: monkey-puzzle Araucariaceae (monkey-puzzle family) Araucaria bidwillii: bunya-bunya Araucariaceae (monkey-puzzle family) Araucaria columnaris: Cook pine Araucariaceae (monkey-puzzle family) Araucaria cunninghamii: Moreton Bay pine; hoop pine Araucariaceae (monkey-puzzle family) Araucaria heterophylla: Norfolk Island pine
Araucaria columnaris is a distinctive narrowly conical tree growing up to 60 m (200 ft) tall in its native habit. The trees have a slender, spire-like crown. [3] The shape of young trees strongly resembles A. heterophylla. The bark of the Cook pine peels off in thin paper-like sheets or strips and is rough, grey, and resinous. [3]
Araucaria humboldtensis growing in altitude shrubland, on the slopes of Mont Humboldt, New Caledonia. New Caledonia, considered as the smallest of the most significant biodiversity hotspots in the world, [3] hosts a unique flora of which 75.1% is endemic. [4] Species of Araucaria trees can be found in every habitat that New Caledonia possesses. [2]
Plant species; A Araucaria heterophylla Norfolk Island Pine Fungal diseases. Fungal diseases; Code: Scientifice Name: Common Name: Bleeding canker Dothiorella spp.
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