Queensland Kauri
Scientific name: Agathis robusta
Overview
Queensland Kauri (Agathis robusta) is a massive evergreen conifer native to the tropical and subtropical rainforests of Queensland, Australia. Its tall clean bole yields pale, fine-textured timber long valued for furniture, cabinetry, interior joinery, veneer, plywood, pattern making, and boatbuilding. Historic logging greatly reduced accessible native stands, while plantation-grown material now provides an important responsible source.
Quick Facts
- Common Name: Queensland Kauri
- Alternate Common Name(s): Smooth-barked Kauri, Southern Kauri
- Scientific Name: Agathis robusta
- Region: Oceania & Pacific Woods
- Tree Size: Commonly 100–165 ft (30–50 m) tall with a massive straight cylindrical trunk
- Average Dried Weight: Approximately 31 lb/ft³ (500 kg/m³)
- Janka Hardness: Approximately 670 lbf (2,980 N)
- Grain: Usually straight, sometimes mildly interlocked
- Texture: Fine and even, with low natural luster
Identification Characteristics
Queensland Kauri is recognized in the forest by its enormous straight trunk, gray-brown bark that flakes in irregular scales, and a broad elevated crown. Mature trees carry thick, glossy, elliptical leaves rather than needle-like foliage. The wood is pale cream to light golden brown, with a subtle, uniform appearance and little contrast between heartwood and sapwood.
Key identification traits include:
- Very tall evergreen conifer with a massive, clean cylindrical bole
- Gray to brown bark that flakes or scales from mature trunks
- High, broad crown with strong horizontal branches
- Thick, glossy, elliptical adult leaves with smooth margins
- Large globose cones that disintegrate when mature
- Pale cream to light golden timber with fine, even texture and usually straight grain
Working Properties
Queensland Kauri is generally easy to saw, plane, shape, turn, glue, and finish. Its low density and uniform texture allow crisp machining and smooth surfaces, making it especially useful for patterns, cabinetry, veneer, and interior joinery. Sharp cutters help prevent fuzzy grain, and outdoor work requires appropriate protective design and finish because natural decay resistance is limited.
- Machines readily and produces clean profiles with sharp cutters.
- Glues, nails, and screws well under normal shop practice.
- Sands and finishes smoothly, including clear and painted finishes.
- Accepts veneer slicing, turning, carving, and detailed pattern work.
- Use properly dried stock and avoid prolonged exterior exposure without protection.
Safety Note
Avoid breathing Queensland Kauri dust during sawing, routing, turning, or sanding. Use effective dust extraction, suitable respiratory and eye protection, and wash exposed skin after handling. Individual sensitivity to wood dust can vary.
Common Uses
Queensland Kauri combines light weight, easy machining, dimensional reliability, and a refined pale appearance. These qualities suit both decorative interiors and specialized manufactured work.
- Furniture, cabinetry, shelving, and interior joinery
- Decorative veneer, plywood, mouldings, and paneling
- Pattern making, turnery, carving, and toys
- Doors, windows, shop fittings, and general millwork
- Boatbuilding and lightweight marine interior components
- Selected musical-instrument and specialty applications
Sustainability & Notes
Queensland Kauri was heavily harvested from native rainforest, and many old stands are now protected or unavailable for commercial logging. Plantation-grown timber provides a more responsible source in Australia and other suitable regions. Buyers should favor verified plantation, salvaged, or credibly certified material and request clear provenance for wood claimed to come from native forests.
Comparative Notes & Related Species
- Norfolk Island Pine – Another Southern Hemisphere conifer with pale timber, though Queensland Kauri is botanically in the genus Agathis and develops a much broader rainforest crown.
- Australian Cypress Pine – A denser, more aromatic Australian conifer with darker figure and substantially greater natural decay resistance.
- Caribbean Pine – A widely planted resinous softwood that is generally coarser-grained and more strongly ringed than Queensland Kauri.
- Radiata Pine – A common plantation construction timber with more prominent growth rings and a less uniformly fine texture.
Related Guides
- Pine Species Guide – Compare commonly traded timbers called pine and their woodworking characteristics.
- Oceania & Pacific Woods – Explore timber species native to Australia, New Guinea, New Zealand, and neighboring islands.
- Plantation vs. Wild-Harvested Hardwoods – Understand how timber origin affects availability, properties, and responsible sourcing.
- Understanding Wood Grain – Learn how grain direction and growth-ring structure influence machining and appearance.
- Wood Identification – Review practical features used to identify unknown wood samples.
Compare Wood Properties
See how this species ranks in density and hardness using our Wood Density & Janka Hardness Chart. You can also explore Hardest Woods, Softest Woods, and Most Dense Woods for quick comparisons.
Collector Notes
Queensland Kauri is a useful reference sample for collectors because its pale, fine, even texture can resemble several other Australasian conifers. A documented specimen should include face grain and end grain, geographic origin, and whether the material came from a plantation, salvage source, or older native-grown stock.
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Wood Sample Collection
This species is part of an ongoing effort to document and preserve wood samples from around the world.
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Resources
Authoritative botanical and forestry references used in compiling information about this species include:
• USDA Forest Service – Wood Handbook: Wood as an Engineering Material
https://www.fpl.fs.usda.gov/products/publications/
• The Wood Database – Global reference for wood identification, physical properties, and woodworking characteristics
https://www.wood-database.com/
• Royal Botanic Gardens, Kew – Plants of the World Online – Botanical taxonomy and species distribution database
https://powo.science.kew.org/
• International Union for Conservation of Nature (IUCN Red List) – Global conservation status assessments
https://www.iucnredlist.org/
• Convention on International Trade in Endangered Species (CITES) – International trade regulations for protected plant species
https://cites.org/
Additional forestry publications, academic research papers, and regional timber studies may also be referenced where available.
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Availability & Where to Buy
Exotic hardwood availability can vary significantly depending on region, sustainability regulations, and supplier inventory.
As this archive grows, recommended suppliers and specialty wood retailers will be listed here to help woodworkers locate responsibly sourced material.
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