Araucaria bidwillii

Araucaria bidwillii

Araucaria bidwillii, commonly known as the Bunya pine, is a species of conifer in the family Araucariaceae. It is native to Queensland, Australia, and is notable for its large size and distinctive, edible seeds. The species is named after the botanist John Carne Bidwill.

Description

Araucaria bidwillii is a large evergreen tree that can grow up to 30–45 meters tall, with a trunk diameter of up to 1.5 meters. The tree has a straight trunk and a symmetrical, dome-shaped crown. The leaves are tough and leathery, arranged spirally on the branches. They are lanceolate to linear, measuring 2–5 cm long and 0.5–1 cm wide.

The tree is dioecious, with male and female cones on separate trees. The male cones are cylindrical, measuring 10–20 cm long, while the female cones are large, spherical, and can weigh up to 10 kg. The seeds, known as bunya nuts, are large and edible, traditionally consumed by Indigenous Australians.

Habitat and Distribution

Araucaria bidwillii in habitat, Bunya Mountains National Park, Queensland

Araucaria bidwillii is found in the rainforests of southeast Queensland, particularly in the Bunya Mountains and Blackall Range. It grows in well-drained soils and prefers a subtropical climate. The species is adapted to survive in areas with high rainfall and humidity.

Ecological and Cultural Significance

The bunya pine holds significant cultural importance for Indigenous Australians, particularly the Wakka Wakka and Gubbi Gubbi peoples. The seeds were traditionally harvested during large gatherings known as "bunya festivals," which were important social and cultural events.

Ecologically, Araucaria bidwillii provides habitat and food for various wildlife species. The large seeds are a food source for birds and mammals, while the tree itself offers shelter and nesting sites.

Conservation

Araucaria bidwillii is not currently considered threatened, but its habitat is subject to pressures from land clearing and development. Conservation efforts focus on protecting its natural habitat and promoting sustainable land management practices.

Uses

The seeds of Araucaria bidwillii are edible and have been used as a food source for centuries. They can be eaten raw or cooked and are often roasted or boiled. The wood of the bunya pine is also valued for its quality and is used in construction and furniture making.

Related Pages

• Araucariaceae
• Conifer
• Queensland
• Bunya Mountains