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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.
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
The lists of cultivars in the table below are indices of plant cultivars, varieties, and strains. A cultivar is a plant that is selected for desirable characteristics that can be maintained by propagation. The plants listed may be ornamental, medicinal, and/or edible. Several of them bear edible fruit.
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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]
Pinaceae: needle-like leaves and vegetative buds of Coast Douglas fir (Pseudotsuga menziesii var. menziesii) Araucariaceae: awl-like leaves of Cook pine (Araucaria columnaris) In Abies grandis (grand fir), and many other species with spirally arranged leaves, leaf bases are twisted to flatten their arrangement and maximize light capture.