AppearanceThe leaves are thick, tough and scale-like, triangular, 3–4 cm long, 1–3 cm broad at the base, and with sharp edges and tip. They persist for 10–15 years or more, so cover most of the tree except for the older branches.
It is usually dioecious, with the male and female cones on separate trees, though occasional individuals bear cones of both sexes. The male cones are oblong and cucumber-shaped, 4 cm long at first, expanding to 8–12 cm long by 5–6 cm broad at pollen release. The tree is wind pollinated. The female cones, which mature in autumn about 18 months after pollination, are globose, large, 12–20 cm diameter, and hold about 200 seeds. The cones disintegrate at maturity to release the 3–4 cm long nut-like seeds.
NamingFirst found in Chile in the 1780s, it was named ''Pinus araucana'' by Molina in 1782. In 1789, de Jussieu had erected a new genus called Araucaria based on the species, and in 1797 Pavón published a new description of the species which he called ''Araucaria imbricata'' . Finally, in 1873, after several further redescriptions, Koch published the combination ''Araucaria araucana'', validating Molina's name in the genus. The name ''araucana'' is derived from the native Araucanians who used the nuts of the tree in Chile. A group of Araucanians living in the Andes, the Pehuenches, owe their name to their diet based on harvesting of the Araucaria seeds. ''Pehuen'' means Araucaria and ''che'' people in Mapudungun.
The origin of the popular English language name ''monkey puzzle'' derives from its early cultivation in Britain in about 1850, when the species was still very rare in gardens and not widely known. The proud owner of a young specimen at Pencarrow garden near Bodmin in Cornwall was showing it to a group of friends, and one made the remark "It would puzzle a monkey to climb that"; as the species had no existing popular name, first 'monkey puzzler', then 'monkey puzzle' stuck.
In France, it is known as ''désespoir des singes'' or 'monkeys' despair'.
HabitatIts native habitat is the lower slopes of the Chilean and Argentinian south-central Andes, typically above 1,000 metres . Juvenile trees exhibit a broadly pyramidal or conical habit which naturally develops into the distinctive umbrella form of mature specimens as the tree ages. It prefers well drained, slightly acidic, volcanic soil but will tolerate almost any soil type provided it drains well.
Uses''Araucaria araucana'' is a popular garden tree, planted for its unusual effect of the thick, 'reptilian' branches with a very symmetrical appearance. It prefers temperate climates with abundant rainfall, tolerating temperatures down to about −20 °C . It is far and away the hardiest member of its genus, and can grow well in western Europe , the west coast of North America and locally on the east coast as well including Long Island, and in New Zealand and southeastern Australia. It is tolerant of coastal salt spray, but does not like exposure to pollution.
Its seeds are edible, similar to large pine nuts, and are extensively harvested in Chile. The tree has some potential to be a food crop in other areas in the future, thriving in climates with cool oceanic summers where other nut crops do not grow well. A group of six female trees with one male for pollination could yield several thousand seeds per year. Since the cones drop, harvesting is easy. The tree however does not yield seeds until it is around 30–40 years old, which discourages investment in planting orchards ; once established, it can live possibly as long as 1,000 years . Once valued because of its long, straight trunk, its current rarity and vulnerable status mean its wood is now rarely used; it is also sacred to some members of the Mapuche Native American tribe. Before the tree became protected by law in 1971, there were lumber-mills in Araucanía Region which specialized in Araucarias. This species is listed in the CITES Appendix I as an endangered species....hieroglyph snipped...
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