Araucaria angustifolia

Overview

A straight trunk supports whorled branches and a broad mature crown. Narrow, stiff, pointed leaves loosely overlap. Young and mature crowns are developmental forms of one species.

The forestry account describes separate male and female trees as usual, with occasional exceptions. Cones mature over roughly twenty months; regional calendar dates describe the populations discussed, not a universal schedule for every planted tree.

Seeds from different origins showed variation in plantation growth. The account presents geographic races as possible interpretations, not named new species. Seed size and storage also affect nursery performance, distinguishing propagation observations from proof of a new evolutionary lineage.

Origins & earliest records

The cited species accounts combine native-stand forestry and observations of cultivated trees; neither dates the origin of the lineage.

Evidence & interpretation

Laharrague documents crown change, reproduction and seed variation. The dendrology account supplies leaf diagnosis and cautions about cultivated hybrids.

Selected bibliography

Documented works and useful reading. This is not a list of every appearance.

1. 01

   Araucaria angustifolia

   Tom Christian, John Grimshaw and Ross Bayton · 2019

2. 02

   Araucaria angustifolia

   Peter Laharrague

   Tropical Tree Seed Manual account.

Family, evolution & connections

Taxonomic classification

A hierarchy of classified groups, not a chain of direct ancestors.

Source note: Araucariaceae placement is retained; cultivated hybrids do not establish phylogeny.

1. FamilyAraucariaceae
2. GenusAraucaria
3. SpeciesAraucaria angustifolia

References

Sources supporting this profile. Linked pages have their own scope and editorial standards.

1. Institutional synthesisDendrology accountResearch access: 2026-10-11
2. Technical species accountForestry species accountResearch access: 2026-10-11

Image credits

AI mature Paraná pine and conceptual foliage twig.

AI interpretation of a mature umbrella crown and separate conceptual foliage twig.