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Monkey Puzzle Tree

The monkey puzzle tree (*Araucaria araucana*) is an evergreen conifer native to the Andes of southern Chile and western Argentina.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

The monkey puzzle tree (*Araucaria araucana*) is an evergreen conifer native to the Andes of southern Chile and western Argentina. It is known for its distinctive spiky, symmetrical branches, long lifespan, and status as Chile’s national tree. The species is considered endangered in the wild.

Description

Monkey puzzle trees are large evergreen conifers with a straight trunk, whorled branches, and tough, triangular leaves. Mature trees can become very tall and have a distinctive architectural shape that makes them easy to identify.

Distribution and habitat

The species is native to a restricted range in the Andes of Chile and Argentina, where it grows in cool, moist mountain environments. Its limited natural range contributes to its vulnerability.

Conservation status

The monkey puzzle tree is considered endangered in the wild. Major threats include logging, fire, habitat loss, and grazing pressure on young trees.

Cultural importance

The tree is the national tree of Chile and is important to Indigenous communities in the region, including the Mapuche. Its seeds, known as piñones, have been used as food in local diets.

Key facts

  • The monkey puzzle tree is an evergreen conifer in the family Araucariaceae.
  • It is native to the Andes of southern Chile and western Argentina.
  • The tree is listed as endangered in the wild.
  • It is the national tree of Chile.
  • The species is long-lived and has been described as a living fossil.
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Canadian context

The monkey puzzle tree is not native to Canada, but it is cultivated as an ornamental tree in some Canadian gardens and arboreta in suitable climates.

Frequently asked questions

What is a monkey puzzle tree?
It is an evergreen conifer, *Araucaria araucana*, native to southern Chile and western Argentina.
Why is it called a monkey puzzle tree?
The common explanation is that its spiky branches and leaves would make it difficult for a monkey to climb, though the name is based on popular anecdote rather than botanical origin.
How tall does a monkey puzzle tree grow?
Sources commonly describe it as reaching about 30-40 metres, with some specimens reported higher.
Is the monkey puzzle tree endangered?
Yes. It is listed as endangered in the wild due to threats including logging, fires, habitat loss, and grazing.
Is the monkey puzzle tree native to Canada?
No. It is native to South America, although it is grown ornamentally in some temperate regions.

References

  1. Encyclopaedia Britannicahttps://www.britannica.com/plant/monkey-puzzle-tree
    Supports: Scientific name, family, native range, evergreen conifer description, endangered status.
  2. Kiddlehttps://kids.kiddle.co/Monkey_puzzle_tree
    Supports: Native range, typical height, national tree of Chile, endangered status.
  3. Brooklyn Botanic Gardenhttps://www.bbg.org/article/monkey_puzzle_tree_endangered_parakeet
    Supports: Native range, national tree of Chile, cultural importance, living fossil description, endangered status.
  4. The Revelatorhttps://therevelator.org/monkey-puzzle-tree/
    Supports: Restricted natural range, longevity, living fossil description, endangered status, logging and fire threats.
  5. North Carolina State Universityhttps://plants.ces.ncsu.edu/plants/araucaria-araucana/common-name/monkey-puzzle-tree/
    Supports: Scientific name, family, native range, hardiness, national tree of Chile.
  6. The Wildlife Trustshttps://www.wildlifetrusts.org/wildlife-explorer/trees-and-shrubs/monkey-puzzle
    Supports: Morphology, height, introduction to the UK, ornamental planting, endangered status.
  7. Woodland Trusthttps://www.woodlandtrust.org.uk/trees-woods-and-wildlife/british-trees/a-z-of-british-trees/monkey-puzzle/
    Supports: Common names, scientific name, height, bark, leaf description.