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Araucaria occurs as genus of coniferous trees in the family Araucariaceae. There are Nineteen species around the genus, with the extremely disjunct distribution in New Caledonia (where Long dozen mintage come endemic), Norfolk Island, eastern Australia, New Guinea, Argentina, Chile, and southern Brazil.
Numerous in case does'nt altogether todays populations come relictual & restricted. It is observed within forest and maquis shrubland, with an affinity for contaminated web sites. These columnar trees come living fossils, dating back to early in the dinosaur age. Fossil records show that a genus as well erst occurred in a northern hemisphere until the prevent of the Cretaceous period.
A genus is familiar to numbers of humans when a genus of the distinctive Monkey-puzzle Araucaria araucana. A genus is known as fallowing a Arauco Indians of central Chile whose territory incorporates natural stands of this species, in which these are referred to as a Pehuén. These Native Americans, who title themselves a Pehuenche ('humans of the Pehuén'), harvest a seeds extensively for food. There is no distinct vulgar title is for the genus; several come mistakenly known as 'pine', despite their existence lone super distantly related pines (Pinus).
It is in the main big trees by using the massive upright stem, reaching the height of 30-80 m. A horizontal, scattering branches develop within whorls & come covered by having coriaceous or even needle-such as leaves. Around occasionally metal money, a leaves come narrow awl-shaped & lancelike, barely overlapping both more, around others it is broad & flat, & overlap broadly.
A trees come mostly dioecious, with male & female cones found on separate trees, though occasional souls come monoecious or change sex by having period. A female cones, unremarkably high on the top of the tree, come globular, & change around size between metal money from either 7-25 cm across. It contain 80-200 big, comestible seeds, similar to pine nuts though larger. A male cones come little, Four-10 cm hanker, & narrow to broad cylindric, Ace.Five-Five cm broad.
Classification & species list
There are 2 sections in the genus, another time treated when separate genera:
'Subdivision Araucaria.' Leaves broad; cones to a higher degree 12cm across; seed germination hypogeal.
Araucaria angustifolia. Paraná Pine (obsolete: Brazilian Pine, Candelabra Tree). Southeastern Brazil, northeastern Argentina.
Araucaria araucana. Monkey-puzzle or even Pehuén (obsolete: Chile Pine). Central Chile & western Argentina.
Araucaria bidwillii. Bunya-bunya. Eastern Australia.
Araucaria hunsteinii. Klinki. Up to date Guinea.
'Segment Eutacta.' Leaves narrow, awl-prefer; cones to a lesser degree 12cm across; seed germination epigeal.
Araucaria bernieri. Future Caledonia.
Araucaria biramulata. Up to date Caledonia.
Araucaria columnaris. Cook Pine. Up to date Caledonia.
Araucaria cunninghamii. Moreton Bay Pine, Hoop Pine. Eastern Australia, Just released Guinea.
Araucaria heterophylla. Norfolk Island Pine. Norfolk Island.
Araucaria humboldtensis. Up to date Caledonia.
Araucaria laubenfelsii. Up to date Caledonia.
Araucaria luxurians. Future Caledonia.
Araucaria montana. Just released Caledonia.
Araucaria muelleri. Future Caledonia.
Araucaria nemorosa. Up to date Caledonia.
Araucaria rulei. Up to date Caledonia.
Araucaria schmidii. Future Caledonia.
Araucaria scopulorum. Up to date Caledonia.
Araucaria subulata. Up to date Caledonia.
Uses
Occasionally of the coinage come comparatively park inside cultivation because of their distinctive, formal proportionate incubation habit. Many coinage come economically significant for timber production and a edible seeds.
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