General Information |
Distribution | Southern New Caledonia. Widely cultivated in climates warm enough to support it. In the Hawaiian Islands,
naturalized on
O`ahu, Moloka`i, Lana`i, Maui.
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Habit
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Tree to 60 m. tall, crown narrowly conical, trunk clear then later with numerous short shoots, bark gray, papery, exfoliating in thin strips; branchlets cord-like, growing in one plane, 9-10 mm in diameter.
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Leaves
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Juvenile leaves needle-like, imbricate, lanceolate, 4-7 mm long, 2-3 mm wide, apex incurved. Adult leaves scale-like imbricate, triangular, acuminate, obtuse, midrib faint, 5-7 mm long, 3-5 mm wide, apex incurved.
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Seeds
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Seeds 3-3.5 cm long, nut ovate, wings broadly rounded, germination epigeal.
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Pollen Cone
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Male cones oblong-cylindrical, 5-10 cm long, 15-22 mm wide; scales triangular, finely toothed, pollen sacs 10; microsporophylls cuspidate.
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Seed Cone
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Female cones 10-15 cm long, 7-11 cm wide, with short bracts to 7 mm long.
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Notes
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The Cook pine (Araucaria columnaris) is often confused with the Norfolk pine, A. heterophylla which differs by its broader, non-columnar crown and adult leaves more than twice as long as wide.
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Contributor
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David Lorence
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