Araucaria Angustifolia

Description

Araucaria Angustifolia, also known as the Brazilian Pine Tree, is an evergreen tree that is native to Brazil, Argentina, and Paraguay. It is a towering tree that can grow up to 164 feet tall and 6 feet in diameter. The bark is brown and scaly, while the leaves are tough and needle-like, growing up to 2 inches in length. The tree produces cones that can weigh up to 22 pounds and contain edible seeds that are consumed by humans and wildlife alike.

Taxonomic Information

Appearance

The Araucaria Angustifolia has a distinct appearance with its tall, straight trunk and conical shape. The branches are arranged in whorls and the leaves are a dark green color, giving it a dense and lush appearance. The tree can take up to 20 years to reach maturity, but once it does, it becomes an impressive sight. The cones are also a unique feature, measuring up to 12 inches in length and 8 inches in diameter.

Care Guide

Water: The Araucaria Angustifolia requires moderate watering, with the soil being allowed to dry out slightly between waterings.Fertilization: The tree benefits from regular fertilization during the growing season, with a balanced fertilizer being applied every 4-6 weeks.Soil: The tree prefers well-draining soil that is slightly acidic.Sunlight: The Araucaria Angustifolia thrives in full sunlight but can also tolerate partial shade.Hardiness Zones: The tree is hardy in USDA zones 8-11.

Common Pests & Diseases

The Araucaria Angustifolia is generally a hardy tree that is resistant to most pests and diseases. However, it can be susceptible to root rot if overwatered or planted in poorly draining soil. Scale insects and spider mites can also infest the tree, causing damage to the leaves and branches.

Habitat

The Araucaria Angustifolia is found primarily in Brazil’s southern region, where it is an important species in the native Araucaria Forest ecosystem. The tree prefers well-draining, nutrient-rich soil and thrives in areas with high humidity and rainfall.

Question and Answer

Q: Can the seeds of the Araucaria Angustifolia be eaten?
A: Yes, the seeds are edible and are often used in traditional Brazilian dishes.Q: What is the lifespan of the Araucaria Angustifolia?
A: The tree can live for up to 700 years.Q: Is the Araucaria Angustifolia endangered?
A: Yes, the tree is considered endangered due to deforestation and habitat loss.Q: Can the Araucaria Angustifolia be grown as a bonsai?
A: Yes, the tree’s slow growth rate and unique appearance make it an excellent choice for bonsai cultivation.

Related Plants

• Araucaria Araucana
• Araucaria Bidwillii
• Araucaria Heterophylla
• Araucaria Cunningamii
• Araucaria Excelsa

References

• Flora of Brazil
• Missouri Botanical Garden
• World Wildlife Fund
• IUCN Red List of Threatened Species